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    <title>Pumps from MacDonald Plumbing &amp; Heating Supplies</title>
    <link>http://www.macdonaldplumbingsupplies.com/rss/1/productlistings/pumps/cat2136</link>
    <description>View items from our Pumps category</description>
    <copyright>Copyright 2026 MacDonald Plumbing &amp; Heating Supplies</copyright>
    <language>en</language>
    <lastBuildDate>Thu, 08 Oct 2026 16:31:38 +0100</lastBuildDate>
    <pubDate>Thu, 08 Oct 2026 16:31:38 +0100</pubDate>
              <item>
              <pubDate>Thu, 08 Oct 2026 02:05:05 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/10-130 (661995319)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-130-661995319-p23530"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748015754-83291700.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/10-130 (661995319)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-130-661995319-p23530">BritTherm Automatic Сirculator Pump P1 Series P1 25/10-130 (661995319)</a></p>
<p>The BritTherm P1 25/10-130 Circulator Pump delivers high performance with a 10-metre head, perfect for larger or more complex heating systems. Its compact 130mm body fits neatly into tight spaces while offering four built-in operation modes, including an intelligent AUTO mode that optimises pump speed for energy efficiency and comfort. With a low-power night mode and robust electrical and thermal protection, this pump is both reliable and economical for residential or commercial heating applications.
Engineered for demanding heating systems, the BritTherm Automatic Circulator Pump P1 25/10-130 combines power with smart energy management. The 10-metre head capability makes it suitable for systems with higher resistance, ensuring consistent and effective circulation of heating fluids.
This model features three fixed speeds for manual control and an AUTO mode that intelligently adapts to the heating system&amp;rsquo;s requirements, balancing performance with minimal energy use. The automatic night power reduction function cuts power consumption down to 5 watts during off-peak periods, helping reduce running costs without sacrificing comfort.
Built to last, the pump includes essential electrical and thermal protection systems to guard against damage caused by external factors, enhancing reliability and longevity. Its compact dimensions make installation straightforward, even in restricted spaces.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ High 10-metre head for demanding heating systems ✅ Compact 130mm body length with standard 1&quot; BSP connections ✅ Intelligent AUTO mode adjusts pump operation automatically ✅ Three fixed speed settings for manual selection ✅ Night mode reduces power use to 5 watts ✅ Electrical and thermal protection for enhanced durability ✅ Quiet operation suitable for domestic and commercial use ✅ Simple single-button control</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-130-661995319-p23530</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-130-661995319-p23530</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/10-180 (661995320)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-180-661995320-p23531"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748269001-78645500.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/10-180 (661995320)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-180-661995320-p23531">BritTherm Automatic Сirculator Pump P1 Series P1 25/10-180 (661995320)</a></p>
<p>The BritTherm P1 25/10-180 Circulator Pump is a high-performance solution for demanding heating systems. Featuring a powerful 10-metre head and a standard 180mm length, this pump combines intelligent operation with energy-saving features. It offers AUTO Mode for effortless optimisation and traditional three-speed manual control. Built-in thermal and electrical protection enhances reliability, making it ideal for both residential and light commercial installations that require superior performance.
Engineered for high-demand heating applications, the BritTherm Automatic Circulator Pump P1 Series P1 25/10-180 offers enhanced flow capability with a 10-metre head height, making it suitable for large properties and extended pipework. The 25mm connection size ensures compatibility with most UK heating systems, while the 180mm body length allows for straightforward replacement in standard installations.
The smart AUTO Mode adjusts pump performance to match heating demand, reducing energy use without sacrificing comfort. For installers who prefer manual control, the pump includes three fixed-speed settings. Additionally, a night-time power-saving mode reduces energy consumption to as low as 5 watts. Thermal and electrical protections are built in for added peace of mind, guarding against faults and overloads.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 10-metre head for high-demand systems ✅ AUTO Mode adjusts flow to system needs ✅ Traditional three-speed control option ✅ 5W automatic night-time energy saving ✅ Built-in thermal &amp;amp; electrical protection ✅ 180mm pump length for easy replacement ✅ Suitable for residential or light commercial systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-180-661995320-p23531</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-10-180-661995320-p23531</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/12-130 (661995322)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-130-661995322-p23532"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748600815-60101600.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/12-130 (661995322)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-130-661995322-p23532">BritTherm Automatic Сirculator Pump P1 Series P1 25/12-130 (661995322)</a></p>
<p>The BritTherm P1 25/12-130 Circulator Pump is a compact, high-performance unit delivering a 12-metre head height for demanding central heating systems. With 130mm body length and 25mm connections, it offers an ideal balance of power and space-saving design. Featuring AUTO Mode for energy-efficient performance and manual speed options for precise control, this pump is perfect for new installations or direct replacements where powerful flow is required in a compact format.
The BritTherm P1 Series P1 25/12-130 is designed to handle more demanding heating applications with a high-performance 12-metre head. Despite its power, the 130mm length allows for easy installation in tight spaces, particularly where system upgrades are needed without major pipework changes.
Four operating modes—including intelligent AUTO Mode—ensure this circulator pump can optimise energy use without compromising performance. Alternatively, engineers can select one of three manual speeds. The pump also includes an automatic night-time energy-saving mode, reducing power usage to just 5 watts during low-demand periods. With built-in thermal and electrical protection, the P1 25/12-130 is a robust and reliable choice for residential and light commercial use.
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Features &amp;amp; Benefits: ✅ High 12m head for increased flow capacity ✅ Compact 130mm body for easy installation ✅ AUTO Mode intelligently adapts to system demand ✅ Three fixed speeds for traditional control ✅ 5W night power reduction for energy savings ✅ Built-in electrical and thermal protection ✅ Ideal for upgrades or restricted spaces</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-130-661995322-p23532</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-130-661995322-p23532</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/12-180 (661995323)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-180-661995323-p23533"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748269473-05991900.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/12-180 (661995323)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-180-661995323-p23533">BritTherm Automatic Сirculator Pump P1 Series P1 25/12-180 (661995323)</a></p>
<p>The BritTherm P1 25/12-180 Circulator Pump is designed for heating systems that demand a strong flow rate with a head height of up to 12 metres. With 180mm port-to-port spacing, it&amp;rsquo;s suitable for larger installations and upgrades. Equipped with AUTO Mode and three selectable speed settings, this pump adapts effortlessly to changing system requirements, helping installers balance performance and energy savings with ease.
The BritTherm P1 25/12-180 is a powerful and reliable heating circulator offering a high head height of 12 metres—ideal for more complex or larger central heating systems. Its 180mm body length and 25mm threaded connections provide broad compatibility for a wide range of boiler and heating circuit installations.
The P1 Series includes four automatic operating modes, with the standout AUTO Mode intelligently adjusting flow to match system demand, reducing energy usage without sacrificing performance. Manual mode allows engineers to select from three fixed speeds, while the Automatic Night Power Reduction feature further minimises energy usage during off-peak hours. Built-in thermal and electrical protection ensures safety and longevity even in challenging conditions.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 12m head height for high-demand systems ✅ Standard 180mm length with 25mm connections ✅ AUTO Mode for smart, adaptive operation ✅ Three fixed speeds for traditional control ✅ Night mode reduces consumption to just 5W ✅ Built-in thermal and electrical protection ✅ Ideal for larger or high-performance heating systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-180-661995323-p23533</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-12-180-661995323-p23533</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/4-130 (661995301)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-130-661995301-p23534"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748600845-63613500.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/4-130 (661995301)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-130-661995301-p23534">BritTherm Automatic Сirculator Pump P1 Series P1 25/4-130 (661995301)</a></p>
<p>The BritTherm Automatic Circulator Pump P1 Series P1 25/4-130 is a modern, intelligent solution for heating systems, offering advanced automation and impressive energy efficiency. Featuring four operation modes—including three fixed speeds and an intelligent AUTO mode—it adapts to your heating needs effortlessly. Designed with an automatic night reduction function and built-in thermal and electrical protection, this pump delivers reliable performance with ultra-low energy consumption, making it ideal for both new installations and system upgrades.
The BritTherm P1 Series P1 25/4-130 Circulator Pump is engineered for precision, flexibility, and efficiency. With four built-in modes, including three selectable fixed speeds and a smart AUTO mode, it offers the adaptability needed to ensure your heating system operates at peak performance.
The AUTO mode intelligently adjusts the pump&amp;rsquo;s output based on real-time demand, helping to optimise comfort while significantly lowering energy usage. A dedicated night-time reduction function allows the pump to operate at just 5 watts, making it exceptionally cost-effective.
Additional features include electrical and thermal protection mechanisms that safeguard the pump from potential system faults or external issues. Whether for domestic or light commercial use, this high-performing, low-maintenance pump is a dependable choice for installers and homeowners alike.
Features &amp;amp; Benefits: ✅ Four operation modes, including three fixed speeds and AUTO mode ✅ AUTO mode dynamically adjusts to system requirements ✅ Night-time energy-saving function reduces power to 5W ✅ Easy single-button operation for all modes ✅ Built-in thermal and electrical protection ✅ Quiet, smooth operation ideal for residential settings ✅ Compact 130mm length fits standard installations ✅ Energy-efficient performance reduces running costs</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-130-661995301-p23534</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-130-661995301-p23534</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/4-180 (661995302)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-180-661995302-p23535"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748257763-56999400.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/4-180 (661995302)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-180-661995302-p23535">BritTherm Automatic Сirculator Pump P1 Series P1 25/4-180 (661995302)</a></p>
<p>The BritTherm Automatic Circulator Pump P1 Series P1 25/4-180 is a high-performance solution designed to maximise heating efficiency and minimise energy use. With four operating modes—including an intelligent AUTO mode and three classic fixed speeds—it automatically adjusts to your system&amp;rsquo;s demands. This 180mm model is ideal for larger or extended systems and includes night-time power reduction to just 5 watts, plus robust thermal and electrical protection. A smart, quiet, and energy-saving choice for modern heating needs.
The BritTherm P1 Series P1 25/4-180 brings intelligent pumping technology to larger heating systems requiring a 180mm pump length. Its built-in AUTO mode continually assesses and adapts to system requirements in real-time, delivering optimum performance and energy savings without the need for manual adjustments.
For traditionalists, three selectable fixed speed settings are available at the touch of a button, ensuring familiarity and full control when needed. An automatic night power reduction mode further enhances efficiency, reducing power consumption to as little as 5 watts without compromising system performance.
Backed by robust electrical and thermal protection features, this pump is built to withstand external disturbances and maintain reliable operation. The BritTherm 25/4-180 is a smart, powerful, and efficient circulator suitable for domestic and light commercial systems.
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Features &amp;amp; Benefits: ✅ Four operating modes: AUTO and three fixed speeds ✅ AUTO mode adjusts automatically for optimal efficiency ✅ 180mm body length for larger system compatibility ✅ Night-time power reduction to 5W for energy savings ✅ Simple single-button mode control ✅ Electrical and thermal protection built-in ✅ Whisper-quiet operation ideal for domestic use ✅ Designed for high-efficiency and low maintenance</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-180-661995302-p23535</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-4-180-661995302-p23535</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/5-130 (661995304)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-130-661995304-p23536"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748258915-76428300.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/5-130 (661995304)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-130-661995304-p23536">BritTherm Automatic Сirculator Pump P1 Series P1 25/5-130 (661995304)</a></p>
<p>The BritTherm P1 25/5-130 Circulator Pump is a compact yet powerful option for domestic heating systems. Featuring intelligent AUTO mode, three manual speed settings, and a night-time energy-saving function, this 130mm pump combines flexibility with high performance. With robust thermal and electrical protection and a compact 1&quot; connection size, it&#039;s ideal for tight installations requiring reliable circulation and optimal efficiency.
Designed to meet the demands of modern domestic heating systems, the BritTherm Automatic Circulator Pump P1 25/5-130 delivers efficient and adaptive performance in a compact 130mm body. The smart AUTO mode automatically adjusts output to suit system requirements, enhancing comfort and reducing energy use.
For installers seeking manual control, the pump also features three selectable fixed speeds, accessible with a simple button press. During off-peak periods, the automatic night-time reduction function cuts power consumption to as low as 5 watts—saving energy without compromising system performance.
Built with electrical and thermal protection as standard, the P1 25/5-130 offers added reliability and peace of mind. It&#039;s a practical and intelligent choice for smaller pipework setups, such as 1&quot; systems in homes or small commercial premises.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Compact 130mm body for easy domestic installation ✅ 1&quot; BSP connections for common heating systems ✅ Intelligent AUTO mode adjusts to system demands ✅ Three fixed speeds for flexible manual control ✅ Night-time power reduction down to 5W ✅ Built-in thermal and electrical protection ✅ Quiet and efficient operation ✅ Simple one-button interface</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-130-661995304-p23536</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-130-661995304-p23536</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/5-180 (661995305)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-180-661995305-p23537"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748259618-63246300.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/5-180 (661995305)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-180-661995305-p23537">BritTherm Automatic Сirculator Pump P1 Series P1 25/5-180 (661995305)</a></p>
<p>The BritTherm P1 25/5-180 Circulator Pump is designed for optimal performance in larger heating systems requiring a 180mm pump body. Equipped with smart AUTO mode, three manual speed settings, and an energy-saving night function, it intelligently adapts to system demands while keeping energy usage low. With electrical and thermal protection, it ensures reliable, long-lasting operation in both domestic and light commercial environments.
The BritTherm Automatic Circulator Pump P1 25/5-180 offers smart, energy-efficient heating control in a robust 180mm format. Ideal for homes and small commercial systems, this model automatically adjusts its performance using intelligent AUTO mode to match real-time system requirements—delivering comfort while reducing energy consumption.
Installers can manually select between three fixed-speed settings for tailored control when preferred, and the integrated night-time reduction mode drops power usage to as low as 5 watts when demand is low.
With built-in electrical and thermal protection, the pump resists damage from power surges or overheating, ensuring consistent and dependable circulation. The 180mm body provides flexibility for systems that require a longer fitting size, making the P1 25/5-180 a reliable upgrade or replacement choice.
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Features &amp;amp; Benefits: ✅ 180mm body ideal for larger heating systems ✅ Smart AUTO mode adapts to system demand ✅ Manual fixed-speed operation with 3 selectable settings ✅ Energy-saving night function reduces power to 5W ✅ Integrated thermal and electrical safety protection ✅ 1&quot; BSP connections for standard system compatibility ✅ Quiet operation with low vibration ✅ Easy one-button interface for quick adjustments</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-180-661995305-p23537</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-5-180-661995305-p23537</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:26 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/6-130 (661995307)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-130-661995307-p20262"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748260421-56254100.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/6-130 (661995307)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-130-661995307-p20262">BritTherm Automatic Сirculator Pump P1 Series P1 25/6-130 (661995307)</a></p>
<p>The BritTherm P1 25/6-130 Circulator Pump offers powerful performance with a 6-metre head and a compact 130mm body length, making it ideal for space-conscious heating systems. Featuring four built-in operation modes, including an intelligent AUTO mode, this pump automatically adapts to your system&#039;s needs for maximum efficiency and comfort. It also boasts a low-energy night mode and built-in electrical and thermal protection for reliable and safe operation.
Designed for domestic and commercial heating systems requiring efficient circulation and adaptability, the BritTherm Automatic Circulator Pump P1 25/6-130 delivers dependable performance with ease of use. The pump&amp;rsquo;s 6-metre head capacity ensures strong flow even in systems with multiple radiators or higher resistance.
Users can select from three fixed speeds or rely on the smart AUTO mode, which dynamically adjusts pump operation to maintain comfort while reducing energy consumption. The automatic night power reduction function further lowers electricity use to just 5 watts during low demand periods, helping reduce running costs.
Built with safety in mind, this pump includes electrical and thermal protection features to prevent damage from external issues, ensuring longevity and peace of mind. The compact 130mm design makes it a versatile choice for a range of heating system installations.
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Features &amp;amp; Benefits: ✅ 6-metre head for powerful circulation ✅ Compact 130mm length with standard 1&quot; BSP connections ✅ Intelligent AUTO mode for adaptive energy efficiency ✅ Three fixed speeds for manual control ✅ Night mode reduces power consumption to 5W ✅ Electrical and thermal protection for durability ✅ Quiet operation suitable for residential use ✅ Easy one-button operation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-130-661995307-p20262</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-130-661995307-p20262</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/6-180 (661995308)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-180-661995308-p23538"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748260071-21981500.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/6-180 (661995308)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-180-661995308-p23538">BritTherm Automatic Сirculator Pump P1 Series P1 25/6-180 (661995308)</a></p>
<p>The BritTherm P1 25/6-180 Circulator Pump is built for heating systems that demand higher head pressure and consistent circulation. With a 180mm body length and 1&quot; connections, it offers four intelligent modes, including an AUTO setting for adaptive energy use. The pump features three fixed-speed options and a night mode that drops power consumption to just 5 watts. Safety is ensured with integrated electrical and thermal protection.
Designed for high-performance residential and light commercial heating systems, the BritTherm Automatic Circulator Pump P1 25/6-180 combines energy efficiency with robust delivery. The 6-metre head capability makes it ideal for systems with greater resistance or multiple radiators, while the 180mm pump length ensures compatibility with standard installations.
The intuitive AUTO mode allows the pump to respond automatically to system requirements, delivering the right flow while minimising power usage. Users can also choose from three fixed-speed settings for traditional control. The built-in night mode further enhances efficiency, reducing energy draw to only 5 watts when demand is low.
With its compact yet powerful design, this model is protected against overheating and electrical faults, offering both safety and longevity. Whether upgrading or installing new, the P1 25/6-180 is a reliable choice for system optimisation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 6-metre head height for high-resistance systems ✅ 180mm body length with standard 1&quot; BSP connections ✅ Intelligent AUTO mode for energy savings ✅ Three fixed-speed settings for manual control ✅ Night power reduction mode to 5W ✅ Electrical and thermal protection for safety ✅ Low-noise operation ✅ One-button operation for simple setup</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-180-661995308-p23538</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-6-180-661995308-p23538</link>
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          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/7-130 (661995310)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-130-661995310-p23539"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748266508-46254300.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/7-130 (661995310)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-130-661995310-p23539">BritTherm Automatic Сirculator Pump P1 Series P1 25/7-130 (661995310)</a></p>
<p>The BritTherm P1 25/7-130 Automatic Circulator Pump features four built-in operation modes, designed to adapt intelligently to any domestic heating system. Its AUTO Mode optimises performance to deliver excellent heating comfort while minimising energy use. The pump also includes a night power reduction function that cuts energy consumption to just 5 watts without compromising system quality.
The BritTherm Automatic Circulator Pump P1 Series P1 25/7-130 is a highly efficient pump designed for domestic heating systems requiring adaptable and intelligent circulation. With four automatic modes, including three fixed speeds and an advanced AUTO Mode, the pump tailors its performance to match your system&amp;rsquo;s demands, ensuring optimal comfort and energy savings.
The three fixed speeds, selectable with a single button, offer full power range utilisation from minimum to maximum, providing flexibility for diverse heating setups. The intelligent AUTO Mode automatically adjusts the pump&amp;rsquo;s operation based on real-time heating requirements, reducing energy consumption while maintaining system efficiency.
An automatic night power reduction function further decreases energy usage to 5 watts during off-peak periods, delivering significant cost savings without sacrificing heating quality.
Additionally, the pump is protected by advanced electrical and thermal safety systems that safeguard against external faults, ensuring reliable and durable operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Four automatic operation modes including AUTO and fixed speeds ✅ Intelligent adjustment for optimal heating comfort and efficiency ✅ Automatic night power reduction cuts energy use to 5 watts ✅ Easy single-button control for mode selection ✅ Electrical and thermal protection for enhanced reliability ✅ Suitable for any domestic heating system ✅ Compact design for installation in concealed spaces</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-130-661995310-p23539</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-130-661995310-p23539</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/7-180 (661995311)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-180-661995311-p23540"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748266834-72269100.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/7-180 (661995311)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-180-661995311-p23540">BritTherm Automatic Сirculator Pump P1 Series P1 25/7-180 (661995311)</a></p>
<p>The BritTherm P1 25/7-180 Automatic Circulator Pump offers four intelligent operation modes designed to suit any domestic heating system. Its AUTO Mode adapts seamlessly to heating demands, ensuring comfort while minimising energy use. With a night power reduction feature lowering consumption to just 5 watts, this pump provides efficient and reliable heating circulation.
The BritTherm Automatic Circulator Pump P1 Series P1 25/7-180 is engineered for flexible, energy-efficient operation in domestic heating systems. It features four built-in operation modes, including three fixed speeds and an intelligent AUTO Mode that automatically adjusts performance to the heating system&#039;s needs.
The three fixed speeds enable users to manually select the required power level, offering versatility for different heating setups. The AUTO Mode optimises energy consumption by adapting to real-time demands, striking a balance between efficiency and comfort.
Additionally, the pump incorporates an automatic night power reduction function, cutting power usage to 5 watts during off-peak times without compromising heating quality. This results in substantial energy savings and lower running costs.
Advanced electrical and thermal protection safeguards the pump from external faults, enhancing its reliability and durability over time.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Four automatic operation modes including AUTO and fixed speeds ✅ Intelligent adjustment for optimal comfort and energy savings ✅ Night power reduction function reduces consumption to 5 watts ✅ Single-button control for easy mode selection ✅ Electrical and thermal protection systems for reliability ✅ Suitable for all domestic heating systems ✅ Compact design ideal for concealed installation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-180-661995311-p23540</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-7-180-661995311-p23540</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/8-130 (661995313)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-130-661995313-p23541"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748267606-64631500.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/8-130 (661995313)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-130-661995313-p23541">BritTherm Automatic Сirculator Pump P1 Series P1 25/8-130 (661995313)</a></p>
<p>The BritTherm P1 25/8-130 Automatic Circulator Pump is designed with four automatic operation modes to suit any domestic heating system. Its intelligent AUTO Mode adjusts performance for maximum comfort and minimal energy use. The night power reduction function lowers energy consumption to just 5 watts, ensuring efficient operation and cost savings.
The BritTherm Automatic Circulator Pump P1 Series P1 25/8-130 offers flexible and efficient heating circulation with four built-in modes, including three fixed speeds and a smart AUTO Mode. The fixed speeds provide manual control over pump power, while the AUTO Mode intelligently adapts to the heating system&amp;rsquo;s requirements to maintain comfort while reducing energy use.
An automatic night power reduction feature further enhances energy efficiency by lowering consumption to 5 watts during low-demand periods, without sacrificing heating quality.
The pump is easy to operate with a single button for mode selection and includes advanced electrical and thermal protection systems that safeguard the pump from external damage, ensuring long-lasting reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Four automatic operation modes including AUTO and fixed speeds ✅ Intelligent adaptation for optimal comfort and energy efficiency ✅ Night power reduction function reduces consumption to 5 watts ✅ Simple single-button control for easy operation ✅ Electrical and thermal protection for enhanced durability ✅ Suitable for all domestic heating systems ✅ Compact design fits in concealed spaces</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-130-661995313-p23541</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-130-661995313-p23541</link>
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          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/8-180 (661995314)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-180-661995314-p23542"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748268024-35265200.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/8-180 (661995314)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-180-661995314-p23542">BritTherm Automatic Сirculator Pump P1 Series P1 25/8-180 (661995314)</a></p>
<p>The BritTherm P1 25/8-180 Automatic Circulator Pump combines advanced functionality with dependable performance. Featuring four built-in operation modes, including an intelligent AUTO Mode, this pump adjusts its speed to suit your heating system&amp;rsquo;s needs. With night power reduction cutting energy use to just 5 watts and robust safety systems built in, it&amp;rsquo;s ideal for modern, efficient home heating.
The BritTherm Automatic Circulator Pump P1 Series P1 25/8-180 is engineered for versatility and performance in domestic heating systems. This model offers four operational modes, including three fixed speeds for traditional users and a smart AUTO Mode that dynamically adapts to your system&amp;rsquo;s demand, ensuring optimal comfort and energy efficiency.
With a built-in Automatic Night Power Reduction Function, the pump consumes as little as 5 watts during low-usage periods without compromising heating performance. Safety is prioritised through electrical and thermal protection systems that guard against damage from external issues.
At 180mm in length, this pump fits seamlessly into most standard heating systems, offering a reliable, easy-to-use solution for energy-conscious homeowners and installers alike.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Intelligent AUTO Mode adjusts to system demand ✅ Three fixed speed settings for manual control ✅ 5W night power mode for reduced energy use ✅ One-button control for easy operation ✅ Built-in thermal and electrical protection ✅ 180mm length fits common heating system setups ✅ Quiet, efficient, and maintenance-friendly</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-180-661995314-p23542</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-8-180-661995314-p23542</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/9-130 (661995316)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-130-661995316-p23543"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748268418-86237500.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/9-130 (661995316)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-130-661995316-p23543">BritTherm Automatic Сirculator Pump P1 Series P1 25/9-130 (661995316)</a></p>
<p>The BritTherm P1 25/9-130 Automatic Circulator Pump offers a powerful 9-metre head with a compact 130mm body, ideal for demanding heating systems in tight spaces. Featuring an intelligent AUTO Mode, three manual speed settings, and energy-saving night mode, this high-performance pump combines versatility with efficiency. Built-in protection ensures reliable operation in all conditions.
Designed to handle higher-pressure requirements in more demanding heating systems, the BritTherm Automatic Circulator Pump P1 Series P1 25/9-130 delivers up to a 9-metre head while maintaining a compact 130mm body size. This makes it an excellent option for space-limited installations where performance cannot be compromised.
Equipped with four built-in operational modes, the pump includes a smart AUTO Mode that automatically adapts its performance to match the heating system&#039;s requirements. For traditional setups, three fixed-speed settings can be easily selected with a single button.
Energy efficiency is enhanced with an Automatic Night Power Reduction Function, which reduces consumption to just 5 watts during low-demand periods. Electrical and thermal protection ensure the pump is safeguarded from external electrical issues.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 9-metre head performance in compact 130mm size ✅ AUTO Mode for intelligent energy-efficient operation ✅ Three selectable fixed speed settings ✅ 5W night power saving mode ✅ Single-button control for ease of use ✅ Electrical &amp;amp; thermal protection built in ✅ Ideal for high-performance heating in tight spaces</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-130-661995316-p23543</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-130-661995316-p23543</link>
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              <pubDate>Thu, 08 Oct 2026 02:05:05 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 25/9-180 (661995317)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-180-661995317-p23544"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748268603-80999100.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 25/9-180 (661995317)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-180-661995317-p23544">BritTherm Automatic Сirculator Pump P1 Series P1 25/9-180 (661995317)</a></p>
<p>The BritTherm P1 25/9-180 Automatic Circulator Pump is built for robust heating systems requiring extended reach and pressure. With a high-performance 9-metre head and full-length 180mm body, it offers maximum efficiency and adaptability. The smart AUTO Mode ensures energy-saving operation while delivering optimal comfort. Additional modes, energy-saving night function, and integrated safety protection make this pump a powerful and reliable choice.
Engineered for larger heating systems, the BritTherm Automatic Circulator Pump P1 Series P1 25/9-180 provides powerful 9-metre head performance in a standard 180mm configuration. Ideal for domestic and commercial use, this pump combines cutting-edge intelligent operation with classic manual control.
Its AUTO Mode automatically adjusts to system demands for minimal energy use without sacrificing heating efficiency. Installers and users can also opt for one of three fixed-speed settings, making it suitable for both new systems and upgrades.
An integrated night mode cuts power usage to just 5 watts when heating demand is low. Built-in electrical and thermal protection ensures long-term durability by guarding against voltage surges and overheating.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ High 9-metre head for demanding heating applications ✅ Full 180mm body size for standard installations ✅ AUTO Mode adapts to system requirements automatically ✅ Three fixed-speed settings for flexible control ✅ 5W automatic night energy-saving mode ✅ Electrical &amp;amp; thermal safety protection ✅ Easy single-button operation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-180-661995317-p23544</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-25-9-180-661995317-p23544</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P1 Series P1 32/12-180 (661995324)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-32-12-180-661995324-p23546"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748269677-04301300.jpg" alt="BritTherm Automatic Сirculator Pump P1 Series P1 32/12-180 (661995324)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-32-12-180-661995324-p23546">BritTherm Automatic Сirculator Pump P1 Series P1 32/12-180 (661995324)</a></p>
<p>The BritTherm P1 32/12-180 Circulator Pump is a powerful, intelligent solution for high-capacity heating systems requiring efficient water circulation up to a 12-metre head. With 180mm spacing and 32mm ports, it&amp;rsquo;s designed for larger domestic or commercial systems. Featuring AUTO Mode, night-time power reduction, and multiple manual speeds, this smart pump ensures energy-efficient performance and long-term reliability.
The BritTherm P1 32/12-180 delivers superior pumping performance with a high 12-metre head height, making it ideal for large-scale or high-demand heating systems. The 180mm port spacing and 32mm connections ensure compatibility with bigger flow circuits, especially in commercial or extended domestic installations.
This model features four built-in automatic operation modes, including AUTO Mode, which dynamically adjusts the pump&#039;s output to suit system demands. For installers and engineers who prefer traditional control, three fixed speed settings offer full manual control. The built-in Automatic Night Power Reduction drops energy use to just 5W during off-peak periods. Safety is prioritised with electrical and thermal protection that guards against damage from external faults.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 12m head for powerful circulation in large systems ✅ 180mm length with 32mm threaded connections ✅ AUTO Mode for adaptive, energy-efficient operation ✅ Manual selection with three fixed speed settings ✅ Night-time power reduction to only 5 watts ✅ Built-in electrical and thermal protection ✅ Ideal for commercial or extended domestic systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-32-12-180-661995324-p23546</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p1-series-p1-32-12-180-661995324-p23546</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/10-130 (661995419)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-10-130-661995419-p23557"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748274640-96642500.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/10-130 (661995419)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-10-130-661995419-p23557">BritTherm Automatic Сirculator Pump P2 Series P2 25/10-130 (661995419)</a></p>
<p>The BritTherm P2 25/10-130 Circulator Pump is engineered for efficient heating system circulation, featuring a 25mm connection and a 10-metre head for enhanced flow and pressure. Equipped with nine automatic operating modes, including AUTO, constant and proportional pressure settings, plus three manual fixed speeds, this pump adapts intelligently to varying heating demands. Its Night Mode reduces power use to just 5 watts during off-peak hours, helping to lower energy costs without compromising heating performance. Built-in electrical and thermal protections safeguard against damage, ensuring reliable long-term operation.
The BritTherm P2 25/10-130 Circulator Pump offers reliable and energy-efficient performance tailored to modern heating systems. With its 25mm pipe connections and a 130mm body length, it delivers up to 10 metres of head pressure, ideal for medium-sized heating circuits requiring consistent flow and pressure.
Featuring nine automatic operation modes, the pump adjusts intelligently to system requirements. The simple AUTO Mode activates with one button press and suits approximately 80% of heating systems, easing installation and use. Two constant pressure modes (CP1 and CP2) maintain steady pressure regardless of flow changes, while two proportional pressure modes (PP1 and PP2) dynamically adapt pump speed in response to pressure variations. For users preferring manual control, three fixed speed options are available.
The innovative Night Operating Mode reduces energy consumption to just 5 watts during low-demand periods, maximising energy savings while maintaining comfort. Electrical and thermal protection systems provide an extra layer of safety by preventing breakdowns caused by external factors unrelated to the pump&amp;rsquo;s operation.
This pump is an excellent choice for domestic and commercial heating systems, delivering comfort, efficiency, and durability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connection size for versatile heating system compatibility ✅ 10m head supports medium-sized heating circuits ✅ Easy AUTO Mode for quick setup and operation ✅ Constant pressure modes (CP1, CP2) ensure stable system pressure ✅ Proportional pressure modes (PP1, PP2) optimise pump performance dynamically ✅ Three fixed speed options for manual control ✅ Energy-efficient Night Mode reduces consumption to 5W ✅ Electrical and thermal protection enhances reliability ✅ Suitable for residential and commercial heating applications</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-10-130-661995419-p23557</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-10-130-661995419-p23557</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/12-130 (661995421)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-12-130-661995421-p23558"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748275367-73381300.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/12-130 (661995421)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-12-130-661995421-p23558">BritTherm Automatic Сirculator Pump P2 Series P2 25/12-130 (661995421)</a></p>
<p>The BritTherm P2 25/12-130 Circulator Pump is a high-performance 25mm pump featuring a compact 130mm body and an impressive 12-metre head, ideal for demanding heating systems. With nine built-in operation modes—including AUTO, constant and proportional pressure, fixed speeds, and energy-saving Night Mode—this intelligent pump adapts automatically to your system&#039;s requirements. It also benefits from advanced electrical and thermal protection, offering long-term reliability and peace of mind for both installers and end-users.
Engineered for superior control and adaptability, the BritTherm P2 25/12-130 Circulator Pump delivers outstanding performance for medium to high-pressure heating systems. Its 25mm connection size and 130mm body length make it a compact yet powerful option, capable of delivering up to 12 metres of head pressure—making it ideal for multi-storey residential or complex zoned systems.
This model includes nine intuitive operating modes that intelligently adjust the pump&amp;rsquo;s performance. The AUTO Mode is activated with a single button press and is compatible with 80% of existing systems, making installation and commissioning hassle-free. Two Constant Pressure Modes (CP1 and CP2) keep system pressure steady regardless of demand, while two Proportional Pressure Modes (PP1 and PP2) adjust speed to maintain balanced flow and pressure. If preferred, three manual fixed-speed settings give users full control over performance output.
The Night Operating Mode drops power usage to a mere 5 watts during periods of low demand, significantly reducing energy consumption. To ensure the pump&amp;rsquo;s longevity, integrated electrical and thermal protection systems guard against damage from external electrical issues or overheating.
This pump offers both professional installers and end-users a dependable and versatile solution to suit modern heating system requirements.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connection size with a compact 130mm body ✅ High-performance 12m head for demanding heating circuits ✅ Nine advanced operation modes including AUTO and Night Mode ✅ Two Constant Pressure Modes for stable system control ✅ Two Proportional Pressure Modes for adaptive pressure regulation ✅ Three fixed speed settings for tailored operation ✅ Night Mode reduces energy usage to just 5W ✅ Built-in electrical and thermal protection for reliability ✅ Easy installation and operation with one-touch setup</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-12-130-661995421-p23558</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-12-130-661995421-p23558</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/4-130 (661995402)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-4-130-661995402-p23559"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748262054-18593900.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/4-130 (661995402)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-4-130-661995402-p23559">BritTherm Automatic Сirculator Pump P2 Series P2 25/4-130 (661995402)</a></p>
<p>The BritTherm P2 25/4-130 circulator pump is designed to provide superior control and efficiency in heating systems. With nine built-in automatic operation modes, this pump adapts intelligently to various system demands, ensuring optimal comfort while minimising energy consumption. Its compact 130mm length and 4-metre head make it ideal for a broad range of residential and commercial heating applications.
The BritTherm Automatic Circulator Pump P2 25/4-130 stands out with its extensive nine automatic operation modes, offering unrivalled flexibility for modern heating systems. It features an AUTO mode suitable for most installations, alongside two constant pressure modes (CP1 and CP2) and two proportional pressure modes (PP1 and PP2) that adjust pump performance based on system pressure.
In addition to the three fixed speeds for manual control, the P2 25/4-130 includes a night operating mode, which reduces energy consumption to just 5 watts without sacrificing heating quality. The pump also boasts electrical and thermal protection systems, preventing breakdowns caused by external factors unrelated to its operation.
Designed for reliable and quiet operation, this pump ensures efficient water circulation and is ideal for optimising energy use in domestic and commercial heating setups.
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Features &amp;amp; Benefits: ✅ 4-metre head suitable for light to moderate resistance systems ✅ Compact 130mm length with standard 1&quot; BSP connections ✅ Nine automatic operation modes for versatile control ✅ AUTO mode covers 80% of heating system types ✅ Two constant pressure modes (CP1 &amp;amp; CP2) for stable pressure ✅ Two proportional pressure modes (PP1 &amp;amp; PP2) adapting to system pressure ✅ Three fixed speeds for manual operation ✅ Night mode reduces power to 5 watts for energy savings ✅ Electrical and thermal protection for enhanced durability ✅ Quiet and reliable pump operation</p></description>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/5-130 (661995406)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-130-661995406-p23561"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748271086-81985400.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/5-130 (661995406)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-130-661995406-p23561">BritTherm Automatic Сirculator Pump P2 Series P2 25/5-130 (661995406)</a></p>
<p>The BritTherm P2 25/5-130 Circulator Pump is a high-performance 25mm pump with 5-metre head and 130mm port centres, designed for adaptable and energy-efficient heating circulation. Featuring nine automatic operation modes, including AUTO, constant and proportional pressure modes, plus manual speeds, this pump ensures optimal comfort and reduced energy usage in a wide variety of heating systems.
The BritTherm P2 25/5-130 circulator pump offers exceptional versatility and efficiency for heating systems requiring a 5-metre head and 25mm connections spaced at 130mm. With nine built-in modes, the pump intelligently adapts to system demands. AUTO Mode covers most heating systems, while two constant pressure modes (CP1 and CP2) maintain pressure regardless of flow. Two proportional pressure modes (PP1 and PP2) dynamically adjust pump operation based on system pressure changes.
Three fixed manual speeds provide traditional control options. The Night Operating Mode reduces power consumption to just 5 watts while maintaining heating performance, making it ideal for energy-conscious installations. Electrical and thermal protection safeguards the pump from external faults, ensuring long-lasting reliability.
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Features &amp;amp; Benefits: ✅ Nine automatic modes for tailored heating performance ✅ AUTO Mode suitable for 80% of heating systems ✅ Two constant pressure modes for stable pressure control ✅ Two proportional pressure modes for adaptive pump speed ✅ Three fixed speeds for manual power adjustment ✅ Night mode cuts energy use to 5 watts ✅ 25mm connections with 130mm port centres ✅ Electrical and thermal protection for enhanced durability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-130-661995406-p23561</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-130-661995406-p23561</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/5-180 (661995407)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-180-661995407-p23562"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748271266-02247300.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/5-180 (661995407)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-180-661995407-p23562">BritTherm Automatic Сirculator Pump P2 Series P2 25/5-180 (661995407)</a></p>
<p>The BritTherm P2 25/5-180 Circulator Pump delivers efficient and adaptable heating circulation with 25mm connections and a 5-metre head. Equipped with nine automatic operation modes, including AUTO, constant and proportional pressure settings, plus manual speeds, it intelligently adjusts to various heating system demands for optimal comfort and energy savings.
Designed for heating systems requiring 25mm pipe connections and 180mm port centres, the BritTherm P2 25/5-180 pump offers advanced control with nine built-in operation modes. Its AUTO Mode suits most systems, while two constant pressure modes (CP1 and CP2) keep pressure stable regardless of flow. Two proportional pressure modes (PP1 and PP2) adjust pump speed according to pressure changes, optimising efficiency.
Additionally, three fixed manual speeds provide traditional power control. The Night Operating Mode reduces power consumption to 5 watts, supporting energy efficiency without compromising heating quality. The pump also includes electrical and thermal protection to guard against damage from external faults, ensuring reliable long-term operation.
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Features &amp;amp; Benefits: ✅ Nine automatic modes for system-specific optimisation ✅ AUTO Mode for 80% of heating system compatibility ✅ Constant pressure modes (CP1 and CP2) for pressure stability ✅ Proportional pressure modes (PP1 and PP2) for dynamic adjustment ✅ Three fixed speeds for manual control ✅ Night Operating Mode reduces energy use to 5 watts ✅ 25mm connections with 180mm port centres ✅ Electrical and thermal protection for durability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-180-661995407-p23562</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-5-180-661995407-p23562</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/6-130 (661995410)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-6-130-661995410-p23563"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748272190-86470700.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/6-130 (661995410)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-6-130-661995410-p23563">BritTherm Automatic Сirculator Pump P2 Series P2 25/6-130 (661995410)</a></p>
<p>The BritTherm P2 25/6-130 Circulator Pump offers advanced heating system control with nine integrated operating modes. Designed for 25mm pipework and a 6m head, this 130mm pump features AUTO Mode, constant and proportional pressure settings, manual speeds, and a low-energy night mode, making it perfect for a wide range of modern heating systems.
Built for efficient heating performance, the BritTherm P2 25/6-130 is a compact, intelligent circulator pump with enhanced functionality. Its nine operating modes cater to diverse system requirements, including AUTO Mode, which intelligently adjusts to real-time demand—ideal for up to 80% of existing heating installations.
Choose from two Constant Pressure Modes (CP1 &amp;amp; CP2) for steady output regardless of flow, or select Proportional Pressure Modes (PP1 &amp;amp; PP2) to adapt pump speed in line with system pressure. Manual Fixed Speeds provide a classic setup, while the energy-saving Night Mode drops power consumption to just 5 watts during low-demand periods.
With integrated electrical and thermal protection, this pump is designed to operate safely and reliably, preventing damage from external conditions.
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Features &amp;amp; Benefits: ✅ Nine intelligent operation modes for versatile use ✅ AUTO Mode adapts automatically to your heating system ✅ CP1 &amp;amp; CP2 maintain constant system pressure ✅ PP1 &amp;amp; PP2 adjust performance based on pressure changes ✅ Traditional 3-speed manual settings ✅ Night Mode reduces consumption to 5 watts ✅ 130mm pump length with 25mm connections ✅ Built-in electrical and thermal protection</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-6-130-661995410-p23563</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-6-130-661995410-p23563</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/6-180 (661995411)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-6-180-661995411-p23564"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748272329-83827200.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/6-180 (661995411)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-6-180-661995411-p23564">BritTherm Automatic Сirculator Pump P2 Series P2 25/6-180 (661995411)</a></p>
<p>The BritTherm P2 25/6-180 Circulator Pump delivers advanced performance for domestic and light commercial heating systems. With a 6-metre head, 180mm body length, and nine smart modes including AUTO, constant and proportional pressure, fixed speeds, and night mode, it ensures maximum efficiency and comfort. Ideal for larger installations with 180mm pump spacing.
Engineered for optimal flow control and energy efficiency, the BritTherm P2 25/6-180 Circulator Pump is a powerful and adaptable heating solution. It features nine intelligent operation modes, including a one-touch AUTO Mode that dynamically adapts to the system&#039;s needs—perfect for around 80% of UK heating setups.
Its two Constant Pressure settings (CP1 &amp;amp; CP2) keep pressure stable regardless of changes in flow, while Proportional Pressure modes (PP1 &amp;amp; PP2) optimise energy use by scaling output in line with system demand. For traditional installers, the pump also offers three selectable Fixed Speeds. During reduced usage periods, Night Mode limits power draw to just 5 watts without sacrificing system reliability.
A longer 180mm body suits installations where standard 130mm models won&amp;rsquo;t fit. Built-in electrical and thermal protections safeguard against faults and external disruptions.
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Features &amp;amp; Benefits: ✅ 9 operation modes, including smart AUTO Mode ✅ CP1 &amp;amp; CP2 ensure constant pressure performance ✅ PP1 &amp;amp; PP2 adapt to pressure variations for efficiency ✅ Traditional 3-speed manual options ✅ Night Mode saves energy down to 5 watts ✅ Suitable for 25mm pipework with 6m head ✅ Extended 180mm body for wider installation compatibility ✅ Electrical &amp;amp; thermal protection for safe, long-term use</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-6-180-661995411-p23564</guid>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/7-130 (661995414)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-7-130-661995414-p23565"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748273222-12395900.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/7-130 (661995414)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-7-130-661995414-p23565">BritTherm Automatic Сirculator Pump P2 Series P2 25/7-130 (661995414)</a></p>
<p>The BritTherm P2 25/7-130 Circulator Pump delivers superior performance in a compact 130mm body with 25mm connections and a powerful 7-metre head height. Ideal for domestic or light commercial heating systems, this pump adapts intelligently to demand with nine automatic modes. From AUTO and constant pressure to proportional pressure and fixed speed settings, this model provides flexible, energy-saving control. With added thermal and electrical protection, it&#039;s a smart, durable solution for system efficiency and reliability.
The BritTherm P2 25/7-130 is a compact yet powerful circulator pump designed to meet the demands of modern heating systems. Its 25mm ports and 130mm length allow for easy installation in limited spaces, while the 7-metre head ensures robust circulation across larger or multi-floor systems.
The pump features nine adaptive control modes. AUTO Mode offers a one-touch solution that meets the needs of around 80% of typical installations. Constant Pressure Modes (CP1 &amp;amp; CP2) maintain pressure regardless of system flow, while Proportional Pressure Modes (PP1 &amp;amp; PP2) adjust based on real-time changes, improving comfort and reducing energy usage. For those preferring manual operation, three traditional fixed speeds are available.
Night Mode drops energy usage down to just 5 watts without compromising performance. Plus, integrated electrical and thermal safety protections ensure reliable operation in any scenario. This pump is ideal for installers and property owners looking to balance performance, efficiency, and flexibility.
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Features &amp;amp; Benefits: ✅ Powerful 7m head with 25mm inlet/outlet ✅ Compact 130mm body for easy installation ✅ One-touch AUTO Mode suits most systems ✅ Constant &amp;amp; proportional pressure options for precise control ✅ Manual 3-speed selection for legacy systems ✅ Night Mode reduces energy use to 5W ✅ Built-in thermal and electrical protection ✅ Suitable for homes or light commercial systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-7-130-661995414-p23565</guid>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/7-180 (661995415)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-7-180-661995415-p23566"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748273607-25914300.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/7-180 (661995415)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-7-180-661995415-p23566">BritTherm Automatic Сirculator Pump P2 Series P2 25/7-180 (661995415)</a></p>
<p>The BritTherm P2 25/7-180 Circulator Pump is a robust and efficient solution for larger domestic and light commercial heating systems. Featuring a 180mm body and 25mm connections, this model offers an impressive 7-metre head height, ensuring reliable water circulation across multi-zone or extended pipework layouts. With nine intelligent control modes, including AUTO, proportional and constant pressure settings, as well as fixed speed options, it provides energy-saving performance tailored to your system&amp;rsquo;s needs. Built-in thermal and electrical protection ensures long-lasting reliability.
Designed for performance and reliability, the BritTherm P2 25/7-180 Circulator Pump suits a wide range of heating applications. The 180mm body provides compatibility with standard pipework layouts, while the 7-metre head makes it ideal for multi-floor buildings or more complex heating circuits.
Its nine advanced control modes allow the pump to automatically adapt to varying demands. The intuitive AUTO Mode is ideal for most systems, simplifying setup and optimising performance. Choose from two Constant Pressure Modes (CP1 and CP2) for stable system pressure, or use Proportional Pressure Modes (PP1 and PP2) to automatically adjust based on system conditions. For traditional systems, the three Fixed Speed options give full manual control. Night Mode reduces power use to just 5 watts, cutting energy bills without sacrificing warmth.
Safety is built in, with integrated electrical and thermal protection safeguarding your system from external faults. Whether you&amp;rsquo;re replacing an older pump or specifying for a new installation, this BritTherm pump delivers peace of mind and high efficiency.
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Features &amp;amp; Benefits: ✅ 7-metre head height for powerful circulation ✅ 180mm body for easy swap-outs in existing systems ✅ One-touch AUTO Mode for intelligent system control ✅ Constant &amp;amp; proportional pressure settings for optimal efficiency ✅ Three manual speeds for compatibility with older setups ✅ Night Mode reduces energy usage to just 5W ✅ Built-in electrical &amp;amp; thermal overload protection ✅ Ideal for larger domestic or light commercial systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-7-180-661995415-p23566</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-7-180-661995415-p23566</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 25/8-180 (661995417)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-8-180-661995417-p23567"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748274099-85005800.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 25/8-180 (661995417)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-8-180-661995417-p23567">BritTherm Automatic Сirculator Pump P2 Series P2 25/8-180 (661995417)</a></p>
<p>The BritTherm P2 25/8-180 Circulator Pump is designed to deliver powerful and efficient heating system circulation. Featuring a 25mm connection size and an 8-metre head, it is ideal for medium to larger heating systems requiring reliable flow and pressure. Equipped with nine automatic operating modes including AUTO, constant and proportional pressure settings, plus three manual speeds, it adapts perfectly to system demands. Its energy-saving Night Mode reduces consumption to just 5 watts, and built-in electrical and thermal protection safeguards pump longevity.
The BritTherm P2 25/8-180 Circulator Pump combines performance and smart technology to enhance heating system efficiency and comfort. With a 25mm inlet/outlet and 180mm pump body, it fits standard heating setups while providing an impressive 8-metre head for effective water circulation across various system sizes.
Its nine built-in modes allow it to intelligently respond to heating system changes. AUTO Mode simplifies use for most systems, while CP1 and CP2 constant pressure modes ensure steady pressure irrespective of flow rate. The PP1 and PP2 proportional pressure modes dynamically adjust pump performance based on system pressure fluctuations. For users preferring manual control, three fixed speed settings provide flexibility. The Night Mode significantly lowers power consumption during off-peak periods without compromising system performance.
Electrical and thermal protection features prevent damage from external electrical faults or overheating, ensuring durability and peace of mind. The pump is ideal for modern installations and upgrades requiring smart, energy-efficient circulation.
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Features &amp;amp; Benefits: ✅ 25mm connection size, suitable for medium to large systems ✅ 8m head for excellent flow and pressure control ✅ AUTO Mode for easy, adaptive operation ✅ Constant pressure modes (CP1, CP2) for stable system performance ✅ Proportional pressure modes (PP1, PP2) for dynamic adjustment ✅ Three manual fixed speeds for flexible control ✅ Energy-saving Night Mode reduces consumption to 5W ✅ Electrical and thermal protection for added reliability ✅ Suitable for residential and commercial heating systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-8-180-661995417-p23567</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-25-8-180-661995417-p23567</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P2 Series P2 32/6-180 (661995412)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-32-6-180-661995412-p23572"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748272756-12265600.jpg" alt="BritTherm Automatic Сirculator Pump P2 Series P2 32/6-180 (661995412)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-32-6-180-661995412-p23572">BritTherm Automatic Сirculator Pump P2 Series P2 32/6-180 (661995412)</a></p>
<p>The BritTherm P2 32/6-180 Circulator Pump is built for larger residential or commercial heating systems requiring high flow rates and robust performance. With a 32mm connection, 180mm body length, and 6m head, it delivers consistent, intelligent pumping with nine automatic modes—including AUTO, constant pressure, proportional pressure, and manual speed settings. Built-in safety features and energy-saving functions make it an efficient and reliable heating solution.
Designed for demanding heating applications, the BritTherm P2 32/6-180 Circulator Pump offers intelligent performance in a durable, high-flow package. With a 32mm port size and 180mm length, it is well suited to larger pipework and more powerful systems.
The pump includes nine operating modes for maximum adaptability. AUTO Mode adjusts output automatically for system demands, while two Constant Pressure Modes (CP1 and CP2) ensure balanced pressure despite flow changes. Two Proportional Pressure Modes (PP1 and PP2) respond dynamically to system pressure for optimal efficiency. Installers also have access to three Fixed Speed modes for traditional control.
An advanced Night Operating Mode drops power usage to just 5 watts without compromising system quality. Electrical and thermal protection ensures the pump remains safe and operational in adverse conditions. It&amp;rsquo;s a powerful, efficient solution that brings versatility and control to high-capacity heating systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 32mm connections and 180mm body for high-flow systems ✅ AUTO Mode adapts performance to system needs ✅ CP1 &amp;amp; CP2 maintain steady pressure at all times ✅ PP1 &amp;amp; PP2 adjust dynamically for optimal efficiency ✅ Traditional three-speed manual settings included ✅ Night Mode reduces power draw to 5 watts ✅ Built-in safety features protect against electrical or thermal issues ✅ Ideal for larger domestic or light commercial installations</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-32-6-180-661995412-p23572</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p2-series-p2-32-6-180-661995412-p23572</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 15/4-130 (661995501)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-15-4-130-661995501-p23575"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748263189-82797700.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 15/4-130 (661995501)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-15-4-130-661995501-p23575">BritTherm Automatic Сirculator Pump P3 Series P3 15/4-130 (661995501)</a></p>
<p>The BritTherm P3 15/4-130 circulator pump is designed for versatile domestic heating systems, featuring nine intelligent automatic operation modes to deliver optimal comfort and energy efficiency. Its compact size and accessible control panel make it ideal for installation even in confined or concealed spaces.
The BritTherm Automatic Circulator Pump P3 15/4-130 offers advanced adaptability for modern domestic heating systems. With nine automatic operating modes, this pump intelligently adjusts to the specific demands of your system, ensuring efficient and consistent performance.
The pump&amp;rsquo;s AUTO mode simplifies operation by selecting the best power setting for around 80% of heating systems with a single button press. It includes two constant pressure modes (CP1 and CP2) that maintain steady pressure regardless of flow rate, and two proportional pressure modes (PP1 and PP2) that adapt the pump&amp;rsquo;s output based on pressure changes proportional to flow rate.
For manual control, the pump features three fixed speeds, allowing users to select the desired power output. An automatic night power reduction function reduces energy consumption to a mere 5 watts without affecting the heating quality, saving energy during low demand periods.
The pump is also equipped with electrical and thermal protection systems to safeguard it from external damage unrelated to normal operation, enhancing durability and reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Compact 15mm size for easy fitment in tight spaces ✅ Nine automatic operation modes for tailored performance ✅ AUTO mode for simple intelligent control ✅ Two constant pressure modes (CP1 &amp;amp; CP2) for pressure stability ✅ Two proportional pressure modes (PP1 &amp;amp; PP2) for adaptive flow response ✅ Three fixed speeds for manual control ✅ Night mode reduces power to 5 watts for energy efficiency ✅ Electrical and thermal protection for long-lasting durability ✅ Suitable for all domestic heating systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-15-4-130-661995501-p23575</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-15-4-130-661995501-p23575</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/4-130 (661995503)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-130-661995503-p23579"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748263587-15807400.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/4-130 (661995503)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-130-661995503-p23579">BritTherm Automatic Сirculator Pump P3 Series P3 25/4-130 (661995503)</a></p>
<p>The BritTherm P3 25/4-130 circulator pump offers nine advanced automatic operation modes designed to optimise performance and energy efficiency in domestic heating systems. Its compact design and convenient control panel positioning allow for quick installation, even in concealed or limited spaces.
The BritTherm Automatic Circulator Pump P3 Series P3 25/4-130 is engineered to provide adaptive and efficient heating system circulation. With nine automatic operating modes, the pump intelligently adjusts to the system&amp;rsquo;s needs to deliver optimal comfort while reducing energy consumption.
The AUTO mode activates with a single button press, tailoring the pump&amp;rsquo;s output to suit approximately 80% of domestic heating systems. Two constant pressure modes (CP1 and CP2) ensure pressure stability regardless of flow rate, while two proportional pressure modes (PP1 and PP2) dynamically adjust the pump&amp;rsquo;s performance according to pressure differences proportional to flow rate.
Users can also choose from three fixed speeds, offering full manual control over the pump&amp;rsquo;s power range. Additionally, the pump features an automatic night power reduction function that lowers energy usage to just 5 watts during low demand periods, without sacrificing heating quality.
Robust electrical and thermal protection systems safeguard the pump against damage from external factors unrelated to normal operation, ensuring long-term reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Suitable for domestic heating systems with 25mm pipe connections ✅ Nine automatic operation modes for tailored system performance ✅ AUTO mode for simple intelligent control ✅ Two constant pressure modes (CP1 &amp;amp; CP2) for steady pressure ✅ Two proportional pressure modes (PP1 &amp;amp; PP2) for flow-responsive operation ✅ Three fixed speeds for manual power adjustment ✅ Night mode reduces power consumption to 5 watts ✅ Electrical and thermal protection for enhanced durability ✅ Compact design for easy installation in confined spaces</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-130-661995503-p23579</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-130-661995503-p23579</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/4-180 (661995503)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-180-661995503-p23580"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748263811-72326200.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/4-180 (661995503)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-180-661995503-p23580">BritTherm Automatic Сirculator Pump P3 Series P3 25/4-180 (661995503)</a></p>
<p>The BritTherm P3 25/4-180 circulator pump is designed to deliver exceptional heating system performance with nine automatic operation modes. Its compact design and accessible control panel make installation simple, even in confined spaces, while its advanced modes ensure energy-efficient and reliable operation for any domestic heating system.
The BritTherm Automatic Circulator Pump P3 Series P3 25/4-180 offers advanced functionality tailored to domestic heating needs. With nine built-in automatic modes, this pump adjusts intelligently to the system&amp;rsquo;s requirements, balancing comfort and energy savings.
The pump&amp;rsquo;s AUTO mode activates with a single button press, optimising operation for the majority of heating systems. It features two constant pressure modes (CP1 and CP2), which maintain steady pressure regardless of flow changes, and two proportional pressure modes (PP1 and PP2), which respond dynamically to pressure fluctuations in proportion to flow rate.
For manual control, three fixed speeds can be selected, allowing full range use of the pump&amp;rsquo;s power. The automatic night power reduction function cuts energy consumption to just 5 watts during off-peak periods, ensuring efficient operation without compromising heating quality.
Electrical and thermal protection systems safeguard the pump from damage caused by external factors, enhancing its durability and reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Compatible with 25mm domestic heating systems ✅ Nine automatic operation modes for adaptable performance ✅ Easy-to-use AUTO mode for intelligent control ✅ Two constant pressure modes (CP1 &amp;amp; CP2) for consistent pressure ✅ Two proportional pressure modes (PP1 &amp;amp; PP2) for responsive adjustment ✅ Three fixed speeds for manual power selection ✅ Night mode reduces power use to 5 watts ✅ Electrical and thermal protection for long-lasting reliability ✅ Compact design with control panel suited for concealed installation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-180-661995503-p23580</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-180-661995503-p23580</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/5-130 (661995506)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-130-661995506-p23581"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748380021-90496900.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/5-130 (661995506)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-130-661995506-p23581">BritTherm Automatic Сirculator Pump P3 Series P3 25/5-130 (661995506)</a></p>
<p>The BritTherm P3 25/5-130 Circulator Pump is a compact, high-performance solution for modern domestic heating systems. Designed with a 25mm connection and 130mm body, it provides a 5-metre head and nine automatic operation modes, including AUTO, constant and proportional pressure options. Its user-friendly interface and side-positioned control panel make it ideal for installation in confined or concealed spaces. Efficient, quiet, and reliable, it&amp;rsquo;s built for energy-conscious homes.
The BritTherm P3 25/5-130 Circulator Pump combines energy efficiency with intelligent control to support modern central heating systems. Its 25mm connection and 130mm length suit a wide range of domestic installations, delivering reliable performance with a 5-metre head for typical system requirements.
This pump features nine integrated operation modes, including a one-touch AUTO mode that automatically adapts to your system. Two constant pressure modes (CP1 and CP2) deliver steady performance regardless of flow, while two proportional pressure modes (PP1 and PP2) adjust dynamically to system demand. For those who prefer manual control, the pump also includes three fixed speed settings.
The pump&amp;rsquo;s Automatic Night Power Reduction Function reduces energy use to just 5 watts without sacrificing performance. With its smart side-mounted control panel, installation is quick and hassle-free—even in tight or hidden locations. Built-in electrical and thermal protection ensures long-lasting, safe operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connection with compact 130mm body ✅ 5-metre head – perfect for domestic systems ✅ One-touch AUTO mode for adaptive performance ✅ CP1 and CP2 constant pressure operation ✅ PP1 and PP2 modes for dynamic system adjustment ✅ Manual fixed speed settings for custom control ✅ Night mode lowers energy consumption to 5W ✅ Electrical and thermal protection built in ✅ Ideal for tight or concealed installation spaces ✅ Quiet, efficient, and low-maintenance operation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-130-661995506-p23581</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-130-661995506-p23581</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/5-180 (661995507)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-180-661995507-p23582"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748380395-56795400.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/5-180 (661995507)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-180-661995507-p23582">BritTherm Automatic Сirculator Pump P3 Series P3 25/5-180 (661995507)</a></p>
<p>The BritTherm P3 25/5-180 Circulator Pump is engineered for domestic heating systems needing a longer 180mm body. With a 25mm connection and 5-metre head, it provides consistent circulation for typical household setups. This intelligent pump features nine built-in operating modes, including AUTO, constant and proportional pressure settings, and three manual speeds. Ideal for concealed installations, it ensures quiet, energy-efficient performance with a smart control panel and night-time power reduction.
The BritTherm P3 25/5-180 Circulator Pump delivers reliable, energy-efficient performance for domestic heating systems. With a 25mm connection and extended 180mm body length, it&#039;s suited for installations requiring a longer form factor. It offers a 5-metre head, ideal for standard household heating loops.
Equipped with nine intelligent operation modes, including an AUTO setting that automatically adapts performance to your system&amp;rsquo;s needs, this pump provides excellent control and comfort. Two constant pressure modes (CP1 and CP2) ensure stable operation regardless of demand, while two proportional pressure modes (PP1 and PP2) adjust flow dynamically. Three fixed-speed settings offer manual control for those preferring traditional adjustment.
Its automatic night-time power reduction helps cut energy use down to 5 watts without compromising system efficiency. The pump is protected by built-in electrical and thermal safeguards, and the side-mounted control panel makes installation easy in tight or hidden spaces.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connection with extended 180mm body ✅ 5-metre head – reliable performance for homes ✅ One-touch AUTO mode with adaptive output ✅ Constant pressure settings (CP1, CP2) ✅ Proportional pressure modes (PP1, PP2) ✅ Three manual speed selections ✅ Night mode reduces power to just 5W ✅ Thermal and electrical protection as standard ✅ Side control panel for concealed installs ✅ Quiet and maintenance-friendly design</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-180-661995507-p23582</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-180-661995507-p23582</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/6-130 (661995510)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-130-661995510-p23583"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748380644-02202700.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/6-130 (661995510)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-130-661995510-p23583">BritTherm Automatic Сirculator Pump P3 Series P3 25/6-130 (661995510)</a></p>
<p>The BritTherm P3 25/6-130 Circulator Pump offers intelligent circulation for domestic heating systems. With a 25mm connection, 6-metre head, and compact 130mm body, it&#039;s ideal for smaller spaces or tight installations. Featuring nine automatic operation modes, including AUTO, constant and proportional pressure settings, and three fixed-speed options, it delivers adaptability, energy efficiency, and user-friendly controls. It also features a smart night function to cut power consumption to just 5 watts.
The BritTherm P3 25/6-130 Circulator Pump is designed for modern domestic heating systems where compact installation and reliable performance are essential. With a 25mm connection, 130mm body, and a powerful 6-metre head, it suits medium-length heating circuits requiring strong, steady circulation.
This P3 Series pump includes nine operation modes, allowing full automation or manual control. The AUTO mode intelligently adjusts the pump&amp;rsquo;s performance to match system demand. For greater control, users can choose from two constant pressure modes (CP1, CP2) or two proportional pressure settings (PP1, PP2). For traditional setups, three fixed-speed modes are also available.
The control panel is mounted for easy access even in hidden or compact installations. A night-time power-saving mode cuts usage to just 5 watts, and built-in electrical and thermal protection systems ensure long-lasting, safe operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Compact 130mm body with 25mm connections ✅ 6-metre head for efficient medium-length circuits ✅ One-button AUTO mode with adaptive output ✅ CP1 &amp;amp; CP2 constant pressure settings ✅ PP1 &amp;amp; PP2 proportional response modes ✅ Three manual speed options ✅ 5W night mode for energy savings ✅ Electrical and thermal protection built-in ✅ Easy access control panel for concealed installs ✅ Quiet, maintenance-free performance</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-130-661995510-p23583</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-130-661995510-p23583</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/6-180 (661995511)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-180-661995511-p23584"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748380915-67448900.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/6-180 (661995511)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-180-661995511-p23584">BritTherm Automatic Сirculator Pump P3 Series P3 25/6-180 (661995511)</a></p>
<p>The BritTherm P3 25/6-180 Circulator Pump is a high-performance solution for domestic heating systems requiring a 180mm body length. With a 25mm connection size and 6-metre head, it provides reliable circulation across extended pipe runs. Featuring nine automatic modes—including AUTO, constant pressure, proportional pressure, and fixed-speed settings—it balances performance with energy efficiency. Its automatic night mode cuts power usage to just 5 watts, ideal for eco-conscious households.
Designed for flexible and efficient heating system circulation, the BritTherm P3 25/6-180 Circulator Pump is the ideal upgrade or replacement for systems that require a 180mm pump length. It features a 25mm connection, a powerful 6-metre head, and nine operation modes tailored to suit a wide variety of domestic heating setups.
The intuitive AUTO mode adapts performance automatically to match system demand, while constant pressure (CP1, CP2) and proportional pressure (PP1, PP2) modes allow for custom settings based on installation type. The traditional three-speed manual settings offer straightforward operation when preferred.
Its accessible control panel allows for discreet installation, while the built-in electrical and thermal protection ensures long-term reliability. With an energy-saving night mode reducing consumption to just 5 watts, this pump is engineered for comfort and efficiency.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Extended 180mm body with 25mm connections ✅ 6-metre head for excellent circulation performance ✅ AUTO mode for smart adaptive control ✅ CP1 &amp;amp; CP2 constant pressure settings ✅ PP1 &amp;amp; PP2 proportional pressure control ✅ Three fixed-speed settings for manual operation ✅ Night mode cuts energy use to just 5 watts ✅ Electrical and thermal protection included ✅ Ideal for standard and retrofit heating systems ✅ Simple button control for all modes</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-180-661995511-p23584</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-180-661995511-p23584</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/7-130 (661995514)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-130-661995514-p23585"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748381291-30488100.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/7-130 (661995514)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-130-661995514-p23585">BritTherm Automatic Сirculator Pump P3 Series P3 25/7-130 (661995514)</a></p>
<p>The BritTherm P3 25/7-130 Circulator Pump delivers powerful water circulation for domestic heating systems with a high-performance 7-metre head. Designed with a compact 130mm body, it fits easily into tight spaces while offering nine versatile operation modes, including AUTO, constant pressure, proportional pressure, and fixed-speed settings. Its night mode drops energy use to just 5 watts, combining power with energy efficiency.
Engineered for domestic heating systems requiring higher head performance, the BritTherm P3 25/7-130 Circulator Pump features a 25mm connection size, a 7-metre head, and a compact 130mm body for easy installation—even in restricted spaces. It offers nine user-selectable operation modes designed to optimise performance and energy efficiency.
With AUTO mode, the pump adapts to your heating system&amp;rsquo;s needs in real time. Constant pressure settings (CP1 and CP2) and proportional pressure options (PP1 and PP2) allow you to tailor the pump&#039;s operation, while the classic three-speed settings give users full manual control when needed.
The automatic night mode reduces energy use to just 5 watts without affecting heating performance. Built-in thermal and electrical protection ensures reliable, long-lasting operation even under varying conditions.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 130mm compact body for space-restricted installations ✅ Powerful 7-metre head for enhanced water circulation ✅ 25mm connections for standard pipework ✅ AUTO mode for adaptive performance ✅ CP1 &amp;amp; CP2 constant pressure settings ✅ PP1 &amp;amp; PP2 proportional pressure options ✅ Three manual speed settings ✅ Automatic night mode reduces power to 5 watts ✅ Electrical and thermal safety protection ✅ Ideal for modern and retrofit heating systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-130-661995514-p23585</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-130-661995514-p23585</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P3 Series P3 25/7-180 (661995515)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-180-661995515-p23586"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748381438-43797100.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/7-180 (661995515)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-180-661995515-p23586">BritTherm Automatic Сirculator Pump P3 Series P3 25/7-180 (661995515)</a></p>
<p>The BritTherm P3 25/7-180 Circulator Pump delivers robust performance and energy-efficient circulation for domestic heating systems. Designed with a 180mm body and a 7-metre head, it suits standard installations requiring extra length. With nine intelligent operating modes, including AUTO, constant and proportional pressure, and classic speed settings, this pump adapts effortlessly to changing system demands while saving energy with automatic night power reduction.
Built for high-performance domestic heating systems, the BritTherm P3 25/7-180 Circulator Pump combines strong circulation with flexible installation. Featuring a 25mm connection size and an extended 180mm body, it&amp;rsquo;s ideal for replacing longer standard pumps. With a 7-metre head, it efficiently moves water throughout multi-level or larger homes.
This model includes nine user-friendly operation modes. AUTO mode uses built-in intelligence to optimise performance for your heating system. The two constant pressure (CP1, CP2) and two proportional pressure (PP1, PP2) settings let you fine-tune system pressure based on flow. For traditionalists, three fixed-speed settings allow manual control across the full power range.
Energy-saving features include automatic night mode, dropping consumption to just 5 watts without compromising warmth. Electrical and thermal protection systems safeguard the pump against power surges and overheating, ensuring reliable and durable operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 180mm extended body for standard pump replacements ✅ High-performance 7-metre head for large systems ✅ 25mm connections for easy integration ✅ AUTO mode for dynamic system adjustment ✅ CP1 &amp;amp; CP2 for constant pressure control ✅ PP1 &amp;amp; PP2 proportional pressure settings ✅ Manual 3-speed operation ✅ Night mode for reduced power use (5 watts) ✅ Thermal and electrical protection built-in ✅ Ideal for larger or multi-floor heating systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-180-661995515-p23586</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-7-180-661995515-p23586</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P4 Series P4 25/4-130 (661995602)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-130-661995602-p23594"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748382518-72138500.png" alt="BritTherm Automatic Сirculator Pump P4 Series P4 25/4-130 (661995602)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-130-661995602-p23594">BritTherm Automatic Сirculator Pump P4 Series P4 25/4-130 (661995602)</a></p>
<p>The BritTherm P4 25/4-130 Circulator Pump delivers reliable and adaptable performance for a wide range of heating applications, including boilers, heat pumps, and HIUs. Featuring 11 automatic modes and a powerful 4-metre head, this 25mm pump offers superb efficiency and control. The integrated PWM function ensures compatibility with modern thermostats and smart controllers, making it ideal for underfloor and variable-flow systems.
The BritTherm P4 25/4-130 Circulator Pump is engineered for efficiency, adaptability, and modern system integration. With a 130mm body and 25mm connections, this pump is perfect for domestic HVAC installations where space and performance go hand-in-hand. Its 4-metre head offers sufficient power for small to mid-size systems, ensuring effective circulation and comfort.
Designed to meet the demands of diverse systems, this model includes 11 operating modes: three fixed-speed options for traditional control, AUTO mode for system-responsive performance, and six dynamic pressure settings—three constant (CP1–CP3) and three proportional (PP1–PP3). These modes support everything from underfloor heating to multi-zone heating systems.
The P4 25/4-130 also features a PWM (Pulse Width Modulation) interface, allowing low-voltage remote control integration with leading thermostat brands like Honeywell and Siemens. Safety is assured with inbuilt electrical and thermal protection, guarding against common issues such as voltage spikes and overheating.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connection with a 4-metre head for compact system circulation ✅ Space-saving 130mm body suitable for modern installations ✅ 11 smart work programmes including AUTO and adaptive pressure control ✅ PWM function enables remote control integration with smart thermostats ✅ Compatible with Honeywell, Siemens, and other controller systems ✅ Ideal for HIUs, heat pumps, and underfloor heating ✅ AUTO mode intelligently adapts to system demand ✅ Built-in electrical and thermal protection for long-lasting reliability ✅ Energy-saving performance with night power reduction ✅ Easy setup and simple operation with intuitive control panel</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-130-661995602-p23594</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-130-661995602-p23594</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P4 Series P4 25/4-180 (661995603)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-180-661995603-p23595"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748382716-42852600.png" alt="BritTherm Automatic Сirculator Pump P4 Series P4 25/4-180 (661995603)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-180-661995603-p23595">BritTherm Automatic Сirculator Pump P4 Series P4 25/4-180 (661995603)</a></p>
<p>The BritTherm P4 25/4-180 Circulator Pump offers high performance and installation flexibility for modern HVAC systems. With a 180mm body length and 4-metre head, this 25mm pump is suitable for larger installations, heat interface units, and underfloor heating. Featuring 11 automatic work programmes and PWM remote control compatibility, it adapts to a wide range of heating demands while improving efficiency and control.
Designed for demanding domestic and commercial systems, the BritTherm P4 25/4-180 Circulator Pump combines intelligent functionality with exceptional flexibility. Its longer 180mm body makes it ideal for retrofits and systems requiring extended fitting space, while the 25mm connections and 4-metre head ensure reliable circulation across standard heating loops.
Equipped with 11 work modes—including AUTO mode, three constant pressure settings (CP1–CP3), and three proportional pressure settings (PP1–PP3)—the pump can automatically adapt to changing flow demands, making it perfect for underfloor heating and zoned systems. Traditional fixed-speed modes are also available for simpler setups.
The integrated PWM control interface allows for remote pump frequency management using compatible thermostats such as Siemens and Honeywell, supporting energy-saving smart home installations. Built-in electrical and thermal protection safeguards against system faults and ensures long-term reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connections with a 4-metre head – ideal for compact and mid-size heating systems ✅ 180mm extended body – suitable for installations needing more reach ✅ 11 intelligent modes including AUTO, constant, and proportional pressure control ✅ PWM interface supports remote control from smart thermostats ✅ Compatible with major brands like Siemens and Honeywell ✅ Excellent for boilers, HIUs, heat pumps, and underfloor heating ✅ AUTO mode adjusts output to system needs automatically ✅ Electrical and thermal protection guards against damage ✅ Night power reduction for energy-efficient operation ✅ Simple user interface for fast setup and configuration</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-180-661995603-p23595</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-180-661995603-p23595</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P4 Series P4 25/6-180 (661995607)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-6-180-661995607-p23597"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748383311-50399300.png" alt="BritTherm Automatic Сirculator Pump P4 Series P4 25/6-180 (661995607)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-6-180-661995607-p23597">BritTherm Automatic Сirculator Pump P4 Series P4 25/6-180 (661995607)</a></p>
<p>The BritTherm P4 25/6-180 Circulator Pump is a high-performance solution for larger domestic and light commercial heating systems. Featuring a 6-metre head and a 180mm body, this model is perfect for systems requiring extended spacing or direct replacement of longer pumps. With 11 automatic work modes and PWM compatibility, it&#039;s ideal for smart-controlled, energy-efficient setups using boilers, HIUs, or heat pumps.
Designed for powerful performance and intelligent control, the BritTherm P4 25/6-180 brings adaptability and efficiency to a wide range of heating applications. With 25mm ports and a 180mm body length, it provides a practical solution for systems with specific installation requirements.
This model supports 11 automatic work programmes, including AUTO mode for most installations, three constant pressure modes for underfloor heating, and three proportional pressure modes for varying flow rates. It also features three fixed-speed settings for compatibility with traditional systems.
A standout feature is its built-in PWM function, allowing remote speed control via low-voltage cables, fully compatible with control systems from major brands like Siemens and Honeywell. Safety is prioritised with built-in thermal and electrical protection, ensuring reliable performance even in demanding environments.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connections with extended 180mm body length ✅ 6-metre head – suitable for larger heating circuits and zoned systems ✅ 11 operating modes for maximum flexibility ✅ AUTO, proportional, and constant pressure control ✅ PWM compatibility for smart thermostats and BMS integration ✅ Excellent for underfloor heating and mixed radiator systems ✅ Electrical and thermal protection prevents pump damage ✅ One-button operation for quick setup ✅ Ideal for both new builds and replacement installations ✅ BritTherm quality for long-lasting performance</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-6-180-661995607-p23597</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-6-180-661995607-p23597</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P4 Series P4 25/8-130 (661995610)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-130-661995610-p23598"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748383513-79385000.png" alt="BritTherm Automatic Сirculator Pump P4 Series P4 25/8-130 (661995610)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-130-661995610-p23598">BritTherm Automatic Сirculator Pump P4 Series P4 25/8-130 (661995610)</a></p>
<p>The BritTherm P4 25/8-130 Circulator Pump delivers powerful performance and high-efficiency circulation for larger heating systems. With an 8-metre head and compact 130mm body length, it&#039;s perfect for high-demand domestic and light commercial installations. Its integrated PWM function ensures compatibility with smart controls, while 11 operating modes make it highly versatile for any HVAC application, including HIUs, heat pumps, and boilers.
Engineered for maximum performance and system flexibility, the BritTherm P4 25/8-130 is a robust circulator pump with a high 8-metre head, ideal for demanding applications such as large heating zones, multi-floor systems, and energy-efficient upgrades.
Its 25mm connections and standard 130mm body length make installation simple, while the advanced control options cater to both traditional and modern setups. The pump features AUTO mode, three fixed-speed modes, three constant pressure settings, and three proportional pressure modes. Whether you&#039;re maintaining consistent flow in underfloor systems or managing pressure in complex radiator layouts, this pump adapts effortlessly.
The PWM control capability allows remote frequency adjustment via low-voltage cables, integrating smoothly with thermostats and controllers from leading brands like Honeywell and Siemens. Built-in thermal and electrical protection safeguards against damage from power fluctuations or system anomalies.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ High-performance 8-metre head for demanding heating systems ✅ Compact 130mm body for standard pump replacements ✅ 11 intelligent work modes, including AUTO and pressure-based settings ✅ PWM-compatible for smart controls and home automation systems ✅ Suitable for underfloor heating, radiators, HIUs, and heat pumps ✅ One-button operation simplifies setup and control ✅ Thermal and electrical protection for extended reliability ✅ Versatile integration with modern and legacy systems ✅ Whisper-quiet operation for noise-sensitive environments ✅ Manufactured to BritTherm&amp;rsquo;s high standards for long-term durability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-130-661995610-p23598</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-130-661995610-p23598</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P4 Series P4 25/8-180 (661995611)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-180-661995611-p23599"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748383665-62736000.png" alt="BritTherm Automatic Сirculator Pump P4 Series P4 25/8-180 (661995611)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-180-661995611-p23599">BritTherm Automatic Сirculator Pump P4 Series P4 25/8-180 (661995611)</a></p>
<p>The BritTherm P4 25/8-180 Circulator Pump is a high-efficiency solution designed for large-capacity heating systems. With a powerful 8-metre head and extended 180mm body, this model is ideal for larger pipework installations requiring maximum flow and flexibility. Featuring 11 intelligent operating modes and full PWM control compatibility, it integrates seamlessly with modern heating systems including HIUs, boilers, and heat pumps.
Designed for high-output systems, the BritTherm P4 25/8-180 provides robust circulation across all types of HVAC applications. Its 180mm body and 25mm connections are perfect for commercial or large-scale domestic systems where a longer pump body is required for retrofit or design compliance.
With an impressive 8-metre head, the P4 25/8-180 delivers reliable performance in complex installations such as multi-zone heating and underfloor layouts. The AUTO mode suits most heating systems, while the constant and proportional pressure settings ensure optimal efficiency across varying flow demands.
Equipped with PWM control, this pump connects to low-voltage thermostat systems from brands like Siemens and Honeywell, enabling smart, responsive control. Built-in electrical and thermal protection features provide peace of mind against power faults and overheating, helping maintain pump integrity over time.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Extended 180mm body for larger pipework configurations ✅ High 8-metre head ideal for demanding heating systems ✅ 11 programmable modes including AUTO and pressure control options ✅ PWM-compatible for smart home and commercial system integration ✅ Perfect for underfloor heating, radiators, HIUs, and energy-efficient upgrades ✅ Simple one-button operation for quick setup and adjustments ✅ Thermal and electrical protection enhances system safety ✅ Compatible with leading control systems including Siemens and Honeywell ✅ Silent operation, suitable for domestic or commercial settings ✅ Engineered by BritTherm for long-term reliability and performance</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-180-661995611-p23599</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p4-series-p4-25-8-180-661995611-p23599</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 25/4-130 (661995702)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-4-130-661995702-p23608"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748387723-41353900.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 25/4-130 (661995702)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-4-130-661995702-p23608">BritTherm Automatic Сirculator Pump P5 Series P5 25/4-130 (661995702)</a></p>
<p>The BritTherm P5 25/4-130 Circulator Pump is the ideal choice for smaller heating systems or applications requiring lower head pressure. With a compact 130mm body and 25mm connections, it&amp;rsquo;s perfect for tight installations such as HIUs, combi boilers, or zoned circuits. Despite its modest 4-metre head, it offers all the intelligent features of the P5 Series: 10 operating modes, including AUTO, constant and proportional pressure settings, as well as three fixed speeds. Dual PWM control and built-in night mode ensure full smart system compatibility and energy efficiency.
Compact yet powerful, the BritTherm P5 25/4-130 is engineered for domestic heating systems that demand space efficiency without sacrificing smart control. With a 4-metre head height and 25mm connection, it&amp;rsquo;s ideal for applications such as HIUs, hot water recirculation, and small heating loops.
The pump is equipped with dual PWM inputs (GT and ST), allowing remote control integration with thermostats and controllers including Siemens, Honeywell, and others. It delivers 10 different operation modes to suit a wide variety of heating scenarios—from constant or proportional pressure for underfloor heating to fixed-speed options for traditional setups.
Its AUTO mode simplifies installation, automatically selecting the best settings for 80% of systems. The Automatic Night Power Reduction Function reduces electricity use to just 5 watts when heating is not required, contributing to lower energy bills.
Electrical and thermal protection ensures safety and reliability, making the P5 25/4-130 a dependable solution for modern heating systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 4-metre head height—perfect for compact heating setups ✅ 25mm connection size with 130mm body length ✅ PWM GT &amp;amp; ST inputs for thermostat/controller integration ✅ AUTO mode fits 80% of domestic heating systems ✅ Constant pressure (CP1, CP2) for stable flow systems ✅ Proportional pressure (PP1, PP2) for dynamic flow changes ✅ Three traditional fixed-speed settings for manual control ✅ 5W night mode for energy saving without comfort loss ✅ Full electrical and thermal safety features included ✅ Compatible with heat pumps, boilers, and HIUs</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-4-130-661995702-p23608</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-4-130-661995702-p23608</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 25/5-130 (661995706)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-5-130-661995706-p23610"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748387888-13292600.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 25/5-130 (661995706)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-5-130-661995706-p23610">BritTherm Automatic Сirculator Pump P5 Series P5 25/5-130 (661995706)</a></p>
<p>The BritTherm P5 25/5-130 Circulator Pump is a high-efficiency, intelligent solution for domestic heating systems, including boilers, HIUs, and hot water loops. Featuring a 5-metre head and standard 130mm body, it fits most modern installations with ease. With 10 operation modes, dual PWM control, and an energy-saving night function, this pump is ideal for systems requiring adaptive pressure and speed control. It&amp;rsquo;s compatible with popular thermostat brands and offers a smart, safe, and reliable heating upgrade.
The BritTherm P5 25/5-130 Circulator Pump delivers robust performance and intelligent operation, suited for a wide variety of heating system configurations. With a 5-metre head height and 25mm connections, it&amp;rsquo;s well-matched for zoned central heating, hot water recirculation, and underfloor heating circuits.
The unit includes 10 built-in control modes that cater to varied system needs: AUTO mode for general use, constant pressure settings (CP1 and CP2) for steady-flow systems, and proportional pressure modes (PP1 and PP2) for systems where flow demand varies. It also offers three fixed speeds for legacy system compatibility.
Dual PWM terminals (GT and ST) allow integration with smart thermostats from trusted brands like Siemens and Honeywell. The night mode reduces power usage to only 5 watts, cutting energy bills without compromising comfort.
Protection features include advanced electrical and thermal safeguards that enhance pump durability and shield it from system-related faults, delivering confidence and longevity for the installer and homeowner alike.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Compact 130mm body for easy installation ✅ 5-metre head ideal for small to medium heating circuits ✅ 25mm ports for standard domestic systems ✅ Dual PWM control inputs for remote integration ✅ AUTO mode handles 80% of household setups ✅ Constant &amp;amp; proportional pressure settings for precision control ✅ Legacy three-speed mode for older systems ✅ Night-time power reduction down to 5W ✅ Thermal and electrical protection built in ✅ Compatible with Siemens, Honeywell, and other major controllers</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-5-130-661995706-p23610</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-5-130-661995706-p23610</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 25/6-130 (661995710)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-6-130-661995710-p23612"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748388089-63870000.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 25/6-130 (661995710)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-6-130-661995710-p23612">BritTherm Automatic Сirculator Pump P5 Series P5 25/6-130 (661995710)</a></p>
<p>The BritTherm P5 25/6-130 Circulator Pump is a high-performance solution for heating systems that require extra pressure. Offering a 6-metre head and compact 130mm body, this smart circulator is compatible with boilers, heat pumps, and HIUs. With 10 operation modes, dual PWM inputs for smart controls, and built-in night power reduction, it ensures efficient and responsive heating across a wide range of applications.
The BritTherm P5 25/6-130 Circulator Pump is a compact and powerful pump tailored for domestic HVAC applications where higher pressure is required in a limited space. Its 6-metre head capability makes it perfect for multi-zone systems or larger properties with more demanding heating needs.
This pump features 10 built-in operation modes, including an intuitive AUTO setting suitable for the majority of UK homes. With constant and proportional pressure settings, installers can fine-tune performance to suit underfloor heating or traditional radiator systems. For legacy applications, the pump offers three fixed-speed modes.
Dual PWM ports (GT and ST) enable integration with modern thermostats and controls from brands such as Honeywell and Siemens. An automatic night-time energy reduction function further enhances its efficiency by reducing power draw to just 5 watts when not in full demand.
Safety is prioritised through robust electrical and thermal protection systems, shielding the pump from external faults like dry running or voltage surges, making it a reliable upgrade for installers and homeowners alike.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ High 6-metre head for demanding heating systems ✅ Compact 130mm body suits most modern installations ✅ 25mm ports for standard domestic compatibility ✅ AUTO mode simplifies setup for 80% of systems ✅ Constant and proportional pressure settings for custom performance ✅ Fixed-speed modes for legacy system replacement ✅ 5W night-time power saving mode improves energy efficiency ✅ GT and ST PWM ports for smart control integration ✅ Fully protected against thermal and electrical damage ✅ Compatible with Honeywell, Siemens, and other popular controllers</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-6-130-661995710-p23612</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-6-130-661995710-p23612</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 25/7-130 (661995714)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-7-130-661995714-p23614"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748388728-91745500.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 25/7-130 (661995714)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-7-130-661995714-p23614">BritTherm Automatic Сirculator Pump P5 Series P5 25/7-130 (661995714)</a></p>
<p>The BritTherm P5 25/7-130 Circulator Pump is engineered for efficient HVAC use in boilers, heat pumps, and HIUs. Designed to deliver a 7-metre head with a compact 130mm body length, this pump incorporates advanced PWM control functions for seamless integration with major thermostats like Siemens and Honeywell. It provides 10 versatile automatic operation modes, ensuring optimal performance and energy savings for various domestic heating systems.
The BritTherm P5 25/7-130 Circulator Pump offers a dependable solution for heating systems requiring a moderate 7-metre head. Its 130mm length allows for easy installation in tight spaces while maintaining robust performance. Ideal for a wide range of domestic heating setups, the pump is suitable for use with boilers, heat pumps, and heat interface units (HIUs).
Featuring two unique PWM functions (GT and ST), this pump supports remote control via two low-voltage cables, compatible with a variety of controllers and thermostats such as Siemens and Honeywell. It provides 10 automatic modes, including an easy-to-use AUTO mode that suits 80% of heating systems, constant pressure modes tailored for underfloor heating, and proportional pressure modes for systems with varying flow demands.
The pump also includes three traditional fixed speeds for simpler systems and an automatic night-time power reduction mode, which lowers energy consumption to just 5 watts without compromising heating performance.
With built-in electrical and thermal protection, the BritTherm P5 25/7-130 is designed to withstand external electrical faults, ensuring long-term reliability and safety.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 7-metre head suitable for medium-pressure heating systems ✅ Compact 130mm length fits most installations ✅ 25mm connection ports compatible with standard pipework ✅ AUTO mode for quick, user-friendly operation ✅ Two constant pressure modes for stable flow rates ✅ Two proportional pressure modes for variable flow systems ✅ Three fixed-speed options for traditional setups ✅ Night power reduction lowers energy use to 5W ✅ Dual PWM inputs (GT and ST) for smart controller integration ✅ Electrical and thermal safety protections extend pump life ✅ Compatible with Siemens, Honeywell, and other controllers</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-7-130-661995714-p23614</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-7-130-661995714-p23614</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 25/8-130 (661995718)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-8-130-661995718-p23616"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748389158-98270700.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 25/8-130 (661995718)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-8-130-661995718-p23616">BritTherm Automatic Сirculator Pump P5 Series P5 25/8-130 (661995718)</a></p>
<p>The BritTherm P5 25/8-130 Circulator Pump is expertly engineered for HVAC systems, including boilers, heat pumps, and heat interface units (HIUs). Offering an 8-metre head and a compact 130mm body length, this pump includes two PWM control functions (GT and ST) for seamless integration with popular controllers such as Siemens and Honeywell. With 10 automatic operating modes, it delivers versatile, energy-efficient performance for a broad range of domestic heating applications.
The BritTherm P5 25/8-130 Circulator Pump provides reliable and flexible heating system circulation with an 8-metre head, ideal for moderately high-pressure needs in boilers, heat pumps, and HIUs. Its 130mm length design fits neatly into many installation environments while maintaining robust performance.
This pump incorporates two unique PWM functions (GT and ST), enabling remote operation via two low-voltage cables compatible with a wide variety of controllers and thermostats, including Siemens and Honeywell models.
With 10 automatic modes, including the simple AUTO mode for quick commissioning across 80% of heating systems, the pump adapts easily to different system demands. It features two constant pressure modes tailored for underfloor heating or stable flow systems and two proportional pressure modes for systems with variable flow rates. Additionally, three fixed speed modes offer manual control options for more traditional setups.
An energy-saving night mode reduces power consumption to just 5 watts without sacrificing heating performance. Electrical and thermal protection features guard the pump against damage caused by external faults, ensuring long-lasting, reliable operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 8-metre head for higher-pressure heating system demands ✅ Compact 130mm length for versatile installation ✅ Standard 25mm pipe connections ✅ Easy AUTO mode for rapid system commissioning ✅ Two constant pressure modes for steady-flow systems ✅ Two proportional pressure modes for variable flow rate systems ✅ Three fixed-speed settings for manual control ✅ Night power reduction to 5 watts for energy efficiency ✅ Dual PWM control (GT and ST) compatible with Siemens, Honeywell, and more ✅ Electrical and thermal protection for enhanced durability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-8-130-661995718-p23616</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-25-8-130-661995718-p23616</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 32/6-180 (661995712)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-6-180-661995712-p23620"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748389430-31831400.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 32/6-180 (661995712)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-6-180-661995712-p23620">BritTherm Automatic Сirculator Pump P5 Series P5 32/6-180 (661995712)</a></p>
<p>The BritTherm P5 32/6-180 Circulator Pump is engineered for HVAC systems including boilers, heat pumps, and HIUs. Featuring a 6-metre head and 32mm connections, it offers reliable pressure and flow for domestic heating applications. Its two PWM control functions allow remote operation via low-voltage cables, compatible with popular thermostats such as Siemens and Honeywell. With 10 automatic modes and energy-saving features, it adapts seamlessly to various heating system demands.
The BritTherm P5 32/6-180 Circulator Pump is a high-performance pump designed to meet the needs of modern HVAC systems, including boiler circuits, heat pumps, and heat interface units (HIUs). Its robust 32mm pipe connections and 6-metre head make it suitable for systems requiring higher pressure and flow.
This pump features two unique PWM functions (GT and ST), allowing remote control through two low-voltage cables, making it compatible with a wide range of controllers and thermostats, including Siemens and Honeywell.
Users benefit from 10 automatic operation modes:


AUTO mode enables quick, one-button activation for around 80% of heating systems.


Two Constant Pressure Modes (CP1 and CP2) optimise performance in underfloor heating and systems with stable flow rates.


Two Proportional Pressure Modes (PP1 and PP2) adapt to systems with dynamic flow changes.


Three fixed speed options provide manual control over the entire power range.


The pump also includes an automatic night power reduction function, lowering energy use to just 5 watts without compromising heating performance. Electrical and thermal protection systems safeguard the pump from failures due to external conditions, enhancing durability and reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 32mm connections for dependable flow rates ✅ 6-metre head for higher pressure systems ✅ 180mm installation length for versatile fit ✅ One-button AUTO mode for simple setup ✅ Constant pressure modes suited for underfloor heating ✅ Proportional pressure modes for fluctuating flow systems ✅ Three fixed speed settings for manual control ✅ Energy-saving night mode reduces power consumption to 5W ✅ Dual PWM control compatible with Siemens, Honeywell, and more ✅ Electrical and thermal protections prevent damage from external factors</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-6-180-661995712-p23620</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-6-180-661995712-p23620</link>
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          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 32/7-180 (661995716)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-7-180-661995716-p23621"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748389504-52851700.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 32/7-180 (661995716)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-7-180-661995716-p23621">BritTherm Automatic Сirculator Pump P5 Series P5 32/7-180 (661995716)</a></p>
<p>The BritTherm P5 32/7-180 Circulator Pump is a versatile pump designed for HVAC applications such as boilers, heat pumps, and heat interface units (HIUs). It features a 7-metre head and 32mm connections, providing reliable performance for domestic heating systems. With two unique PWM control modes compatible with major thermostats like Siemens and Honeywell, this pump offers 10 automatic operation modes for adaptable and efficient heating control, including an energy-saving night mode.
The BritTherm P5 32/7-180 Circulator Pump is built to deliver efficient and adaptable performance in a wide range of heating systems, including boilers, heat pumps, and HIUs. Designed with 32mm pipe connections and a 7-metre head, it is well-suited to systems requiring higher pressure and consistent flow rates.
This pump incorporates two unique PWM functions (GT and ST) for remote control via two low-voltage control cables. This feature ensures compatibility with a broad selection of controllers and thermostats, including popular brands like Siemens and Honeywell.
It offers 10 automatic operation modes tailored to meet various system demands:


AUTO mode provides a simple one-button start suitable for approximately 80% of heating systems.


Two Constant Pressure Modes (CP1 and CP2) are ideal for underfloor heating and systems with stable flow requirements.


Two Proportional Pressure Modes (PP1 and PP2) adapt to systems with more variable flow demands.


Three fixed speed settings allow manual control over the full power range.


An automatic night power reduction function decreases energy use to just 5 watts during low demand periods, without compromising heating quality. Electrical and thermal protections safeguard the pump against damage caused by external influences, ensuring long-lasting reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 32mm connections for steady flow rates ✅ 7-metre head suitable for higher pressure requirements ✅ 180mm installation length for versatile fitting ✅ One-button AUTO mode for quick and easy setup ✅ Constant pressure modes perfect for underfloor heating ✅ Proportional pressure modes for systems with changing flow rates ✅ Three fixed speeds for manual operation ✅ Energy-saving night mode reduces consumption to 5W ✅ PWM remote control compatible with Siemens, Honeywell, and more ✅ Electrical and thermal protections to prevent pump damage</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-7-180-661995716-p23621</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-7-180-661995716-p23621</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P5 Series P5 32/8-180 (661995720)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-8-180-661995720-p23622"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748386618-50363300.jpg" alt="BritTherm Automatic Сirculator Pump P5 Series P5 32/8-180 (661995720)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-8-180-661995720-p23622">BritTherm Automatic Сirculator Pump P5 Series P5 32/8-180 (661995720)</a></p>
<p>The BritTherm P5 32/8-180 Circulator Pump is a high-capacity pump engineered for a wide range of HVAC applications, including boilers, HIUs, and heat pumps. Featuring dual PWM functionality (GT and ST), it offers advanced remote control compatibility with leading thermostats such as Honeywell and Siemens. The pump supports 10 automatic operating modes, ensuring efficient performance in both fixed and dynamic systems. With automatic night power reduction to 5 watts and integrated protection systems, it&#039;s a durable, cost-effective solution for larger heating circuits.
The BritTherm P5 32/8-180 is a robust circulator pump designed for demanding domestic HVAC systems. Whether installed in a boiler, HIU, or heat pump setup, this model provides outstanding performance and control. Its dual PWM modes (GT and ST) enable seamless integration with a wide range of low-voltage thermostats and controllers, including Siemens and Honeywell.
Equipped with 10 automatic operating modes, it adapts effortlessly to various system types. AUTO mode covers the majority of heating setups, while CP1 and CP2 maintain consistent performance for underfloor heating. PP1 and PP2 dynamically adjust to changes in flow rate, making it perfect for variable demand systems. Traditionalists will appreciate the inclusion of three fixed-speed settings for manual control.
Energy-saving functionality is built in, with an automatic night mode that reduces consumption to just 5 watts, maintaining comfort while cutting energy use. Thermal and electrical protection safeguards the pump from damage due to external faults, adding reliability and peace of mind.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Heavy-duty 32mm circulator with 8-metre head height ✅ Dual PWM control (GT &amp;amp; ST) for precision remote operation ✅ 10 operating modes for full system adaptability ✅ AUTO mode ideal for 80% of heating systems ✅ CP1 &amp;amp; CP2 constant pressure modes for underfloor systems ✅ PP1 &amp;amp; PP2 for systems with high flow variability ✅ Classic 3-speed settings for manual adjustment ✅ Energy-saving night mode reduces power use to 5W ✅ Integrated electrical and thermal protection ✅ Compatible with Siemens, Honeywell &amp;amp; most control systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-8-180-661995720-p23622</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p5-series-p5-32-8-180-661995720-p23622</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P6 Series P6 32/10-180 (661995802)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-10-180-661995802-p23627"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748429203-75561200.jpg" alt="BritTherm Automatic Сirculator Pump P6 Series P6 32/10-180 (661995802)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-10-180-661995802-p23627">BritTherm Automatic Сirculator Pump P6 Series P6 32/10-180 (661995802)</a></p>
<p>The BritTherm P6 32/10-180 is a robust, high-efficiency circulator pump designed for larger domestic and commercial heating systems. With its 32mm connection size and 10m maximum head, this smart pump is ideal for high-capacity underfloor heating and complex radiator circuits. Featuring 10 automatic modes and dual PWM functions, it delivers excellent versatility, low energy consumption, and smart control compatibility.
The BritTherm Automatic Circulator Pump P6 32/10-180 is a powerful addition to the P6 Series, offering larger bore 32mm connections for increased flow capacity. Its 10m head performance makes it ideal for applications where a high flow rate is required across large or multi-zone systems.
This advanced pump includes AUTO, constant pressure, and proportional pressure modes to optimise performance and energy use depending on system demands. Installers will appreciate the legacy three-speed manual settings, while the GT and ST PWM control options enable smart integration with leading thermostats like Siemens and Honeywell. Built-in thermal and electrical protection systems ensure safe, continuous operation even in challenging environments.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 32mm connections for higher system flow capacity ✅ 10m head height for demanding multi-zone setups ✅ 10 intelligent operating modes for all heating needs ✅ Three-speed manual settings for traditional control ✅ Dual PWM inputs for remote control integration ✅ Compatible with Siemens, Honeywell, and more ✅ Ideal for underfloor and high-volume radiator systems ✅ Energy-saving AUTO and night modes ✅ Quiet, reliable, and efficient operation ✅ Built-in thermal and electrical protection for safety</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-10-180-661995802-p23627</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-10-180-661995802-p23627</link>
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          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P6 Series P6 32/12-180 (661995804)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-12-180-661995804-p23628"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748429308-05599300.jpg" alt="BritTherm Automatic Сirculator Pump P6 Series P6 32/12-180 (661995804)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-12-180-661995804-p23628">BritTherm Automatic Сirculator Pump P6 Series P6 32/12-180 (661995804)</a></p>
<p>The BritTherm P6 32/12-180 is a high-performance circulation pump engineered for demanding HVAC installations. With a powerful 12-metre head and large 32mm connections, it handles high-volume systems with ease. This advanced model includes 10 automatic modes and twin PWM functions, ensuring compatibility with smart thermostats and delivering maximum energy efficiency. Ideal for underfloor heating and complex systems, it balances performance with reliable protection.
Designed for installers seeking maximum flow and versatility, the BritTherm P6 32/12-180 offers a standout 12m head height and 32mm bore, making it ideal for large underfloor heating arrays and multi-zone radiator systems. Its 10 automatic modes cover every installation scenario, from constant and proportional pressure to manual speed settings.
With integrated GT and ST PWM control, this pump seamlessly connects to smart thermostats and controllers from brands like Siemens and Honeywell. Energy-saving AUTO and night modes ensure lower running costs without compromising performance. It also includes robust thermal and electrical protection, providing long-lasting safety in any domestic heating setup.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 12m head height for large, multi-zone systems ✅ 32mm ports allow high flow capacity ✅ AUTO Mode fits 80% of heating setups ✅ Constant &amp;amp; proportional pressure modes for fine control ✅ Three-speed manual settings for traditional setups ✅ Dual PWM control (GT &amp;amp; ST) for remote integration ✅ Compatible with Siemens, Honeywell, and more ✅ Energy-efficient with night mode functionality ✅ Built-in electrical and thermal protection ✅ Ideal for demanding underfloor and radiator systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-12-180-661995804-p23628</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-12-180-661995804-p23628</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P6 Series P6 32/15-180 (661995806)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-15-180-661995806-p23629"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748429413-58024100.jpg" alt="BritTherm Automatic Сirculator Pump P6 Series P6 32/15-180 (661995806)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-15-180-661995806-p23629">BritTherm Automatic Сirculator Pump P6 Series P6 32/15-180 (661995806)</a></p>
<p>The BritTherm P6 32/15-180 is the most powerful model in the P6 Series, delivering a massive 15-metre head for the most demanding central heating and underfloor systems. With 32mm connections, 10 operational modes and dual PWM compatibility, this pump offers smart control and exceptional performance. Ideal for commercial-scale or complex domestic installations, it provides robust flow, enhanced safety, and effortless automation.
For installations requiring unmatched power and reliability, the BritTherm P6 32/15-180 is a high-output solution tailored to modern heating systems. With its 15m head height, this 180mm pump easily supports extended pipe runs and multi-zone underfloor heating or radiator circuits. It comes equipped with 10 selectable modes, including constant and proportional pressure settings, and three fixed-speed options for legacy systems.
Its dual PWM control modes (GT and ST) allow remote operation with leading thermostats and controllers, including Siemens, Honeywell and others. Electrical and thermal protections are built-in to prevent damage from system faults or overheating. Whether you&amp;rsquo;re fitting a high-volume domestic system or light commercial heating, this pump ensures consistent, efficient circulation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Massive 15m head for large or multi-zone systems ✅ 32mm ports for high-volume water flow ✅ AUTO Mode suits 80% of heating applications ✅ Constant and proportional pressure modes for system tuning ✅ Three fixed-speed options for traditional control ✅ Dual PWM (GT &amp;amp; ST) compatible with major brands ✅ Ideal for smart thermostats and controllers ✅ Integrated electrical and thermal safety features ✅ Quiet, efficient motor reduces running costs ✅ Designed for large HVAC and underfloor systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-15-180-661995806-p23629</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-15-180-661995806-p23629</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P6 Series P6 32/18-180 (661995808)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-18-180-661995808-p23630"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748429538-22757800.jpg" alt="BritTherm Automatic Сirculator Pump P6 Series P6 32/18-180 (661995808)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-18-180-661995808-p23630">BritTherm Automatic Сirculator Pump P6 Series P6 32/18-180 (661995808)</a></p>
<p>The BritTherm P6 32/18-180 is the most powerful circulator pump in the P6 range, offering exceptional flow performance with an 18-metre maximum head. Designed for large-scale HVAC systems, underfloor heating circuits, and multi-zone installations, this pump combines intelligent automation with rugged build quality. It features 10 advanced operating modes, PWM control compatibility, and integrated safety protections for high-efficiency, long-term use.
When only the highest performance will do, the BritTherm P6 32/18-180 stands out with its maximum 18m head height, designed for complex and large-capacity heating systems. Whether you&#039;re working on commercial properties, large domestic builds, or extensive underfloor circuits, this 180mm circulator pump offers the power, precision, and control needed for smooth operation.
It includes 10 user-selectable modes, covering AUTO operation, constant and proportional pressure control, fixed-speed settings, and full PWM functionality with GT and ST modes. PWM compatibility enables integration with leading smart heating systems from Siemens, Honeywell, and others. The unit is safeguarded by robust electrical and thermal protection features, making it a dependable choice for high-demand applications.
Features &amp;amp; Benefits: ✅ Maximum 18m head for industrial and large-system use ✅ 32mm connections for high-capacity flow rates ✅ One-button AUTO mode suits most installations ✅ Two constant and two proportional pressure settings ✅ Three fixed speeds for traditional systems ✅ GT &amp;amp; ST PWM modes for smart remote control ✅ Compatible with Siemens, Honeywell &amp;amp; other thermostats ✅ Built-in thermal and electrical protection ✅ Designed for large homes, commercial and HVAC systems ✅ Quiet and energy-efficient performance</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-18-180-661995808-p23630</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-18-180-661995808-p23630</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P7 Series P7 25/10-180 (661995903)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-10-180-661995903-p23631"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748429872-86015300.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 25/10-180 (661995903)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-10-180-661995903-p23631">BritTherm Automatic Сirculator Pump P7 Series P7 25/10-180 (661995903)</a></p>
<p>The BritTherm P7 25/10-180 circulator pump is a robust, high-efficiency solution for commercial heating systems, including large residential installations and complex underfloor circuits. Engineered with permanent magnet motor technology and a compact rotor, this pump offers quiet operation, excellent energy efficiency, and advanced control. With 13 automatic operation modes and self-ventilated design, it delivers dependable performance for demanding environments.
The BritTherm P7 25/10-180 represents a significant leap forward in circulator pump performance for commercial and high-demand residential systems. Its 180mm length and 25mm connections ensure it fits standard installations while delivering reliable output with a maximum head of 10 metres.
This P7 model features an expanded set of 13 control modes, including four constant pressure settings (CP2–CP5), four proportional pressure options (PP2–PP5), and four constant rotor speed selections, plus the one-touch AUTO mode for universal compatibility. The P7 series also benefits from automatic night power reduction to just 5W, reducing energy use without sacrificing heating efficiency.
Thanks to a self-ventilated body and integrated thermal and electrical protection, this pump ensures longevity, minimal maintenance, and uninterrupted performance even in challenging systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Permanent magnet motor for high efficiency ✅ Quiet operation with compact rotor design ✅ 13 advanced control modes for versatile applications ✅ AUTO mode for plug-and-play setup ✅ 4x Constant Pressure &amp;amp; 4x Proportional Pressure settings ✅ 4x Fixed rotor speeds for traditional control ✅ Energy-saving night mode reduces consumption to 5W ✅ Self-ventilated casing prevents air ingress ✅ Full thermal &amp;amp; electrical protection built-in ✅ Ideal for commercial and large domestic heating</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-10-180-661995903-p23631</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-10-180-661995903-p23631</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P7 Series P7 25/8-180 (661995901)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-8-180-661995901-p23632"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748429971-19611200.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 25/8-180 (661995901)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-8-180-661995901-p23632">BritTherm Automatic Сirculator Pump P7 Series P7 25/8-180 (661995901)</a></p>
<p>The BritTherm P7 25/8-180 is a high-performance circulator pump engineered for commercial heating applications. Featuring a permanent magnet motor and compact rotor design, it delivers whisper-quiet operation alongside excellent energy efficiency. With 13 automatic operation modes, including advanced pressure and speed settings, this pump suits a wide range of heating systems. Its self-ventilated casing and built-in protections ensure reliable, long-lasting performance.
Designed specifically for commercial environments, the BritTherm P7 25/8-180 circulator pump combines advanced technology with versatile control options to meet diverse heating needs. This model features a 180mm length and 25mm ports, with a maximum head of 8 metres, making it suitable for systems requiring moderate flow and pressure.
Its permanent magnet motor and compact rotor technology deliver low power consumption and nearly silent operation, making it ideal for installations where noise reduction is critical. The pump offers 13 operation modes: one AUTO mode for easy setup, four constant pressure modes (CP2–CP5), four proportional pressure modes (PP2–PP5), and four fixed rotor speeds, catering to both traditional and modern system requirements.
The automatic night power reduction function lowers energy use to just 5 watts without compromising heating performance. Additionally, the self-ventilated pump body prevents air ingress, enhancing durability and efficiency. Electrical and thermal protection systems safeguard against damage caused by external factors, ensuring reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Permanent magnet motor for superior efficiency ✅ Ultra-quiet operation thanks to compact rotor design ✅ 13 versatile operation modes including AUTO ✅ Four constant pressure modes (CP2 to CP5) ✅ Four proportional pressure modes (PP2 to PP5) ✅ Four fixed rotor speeds for traditional control ✅ Night power reduction to 5W for energy savings ✅ Self-ventilated casing to prevent air ingress ✅ Electrical and thermal protection for pump safety ✅ Ideal for commercial HVAC and underfloor heating</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-8-180-661995901-p23632</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-8-180-661995901-p23632</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P7 Series P7 32/10-180 (661995904)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-10-180-661995904-p23633"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748430046-72326300.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 32/10-180 (661995904)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-10-180-661995904-p23633">BritTherm Automatic Сirculator Pump P7 Series P7 32/10-180 (661995904)</a></p>
<p>The BritTherm P7 32/10-180 is a robust circulator pump tailored for commercial heating systems. It features a permanent magnet motor and compact rotor design that ensures whisper-quiet, energy-efficient operation. With 13 automatic operation modes including AUTO, constant pressure, proportional pressure, and fixed speed settings, this pump adapts to a wide variety of heating requirements. Its self-ventilated casing and built-in electrical and thermal protections guarantee reliable and safe performance.
Designed for demanding commercial HVAC and underfloor heating applications, the BritTherm P7 32/10-180 offers advanced functionality combined with durable engineering. This pump has 32mm ports and a 180mm length, delivering up to 10 metres of head pressure, making it suitable for medium to large heating circuits.
The pump&amp;rsquo;s permanent magnet motor and compact rotor technology minimise power consumption while maintaining ultra-quiet operation, ideal for installations where noise must be kept to a minimum. It includes 13 selectable operation modes: AUTO mode for simple commissioning, four constant pressure modes (CP2 to CP5) ideal for stable flow systems, four proportional pressure modes (PP2 to PP5) for systems with varying flow rates, and four fixed rotor speed modes for traditional setups.
An automatic night power reduction function decreases power consumption to just 5 watts during low demand periods without affecting heating comfort. The self-ventilated pump body design prevents air ingress, enhancing reliability and efficiency. Electrical and thermal protection systems safeguard the pump from external faults, ensuring longevity and dependable operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Permanent magnet motor for superior energy efficiency ✅ Quiet operation with compact rotor technology ✅ 13 flexible operation modes including AUTO ✅ Four constant pressure modes (CP2 to CP5) ✅ Four proportional pressure modes (PP2 to PP5) ✅ Four fixed rotor speed modes for traditional control ✅ Night power reduction to 5W for energy savings ✅ Self-ventilated casing to prevent air ingress ✅ Electrical and thermal protection for added safety ✅ Ideal for commercial heating and underfloor heating systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-10-180-661995904-p23633</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-10-180-661995904-p23633</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P7 Series P7 32/8-180 (661995902)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-8-180-661995902-p23634"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748430117-98632500.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 32/8-180 (661995902)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-8-180-661995902-p23634">BritTherm Automatic Сirculator Pump P7 Series P7 32/8-180 (661995902)</a></p>
<p>The BritTherm P7 32/8-180 circulator pump is engineered for commercial heating applications, combining a permanent magnet motor with compact rotor technology for silent and energy-saving performance. Offering 13 automatic operation modes, including AUTO, constant pressure, proportional pressure, and fixed speed modes, it adapts easily to various system demands. With advanced electrical and thermal protections and a self-ventilated casing, this pump ensures reliability and long service life in underfloor heating and HVAC systems.
Designed for commercial HVAC and underfloor heating systems, the BritTherm P7 32/8-180 is a high-performance circulator pump featuring 32mm ports and a 180mm length. It delivers up to 8 metres of head pressure, ideal for medium-demand installations requiring quiet and efficient operation.
Equipped with a permanent magnet motor and compact rotor, the pump provides whisper-quiet operation while reducing power consumption. Its 13 selectable modes include AUTO mode for straightforward setup, four constant pressure modes (CP2 to CP5) for stable flow applications, four proportional pressure modes (PP2 to PP5) that adjust to varying flow rates, and four fixed rotor speed modes for traditional control.
The automatic night power reduction feature drops energy use to just 5 watts during off-peak hours, maintaining heating quality while saving electricity. Its self-ventilated design prevents air ingress, improving operational reliability. Built-in electrical and thermal protection systems guard against external faults, minimising downtime and enhancing durability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Permanent magnet motor for superior energy efficiency ✅ Whisper-quiet operation with compact rotor technology ✅ 13 flexible operation modes for varied heating systems ✅ Four constant pressure modes (CP2 to CP5) ✅ Four proportional pressure modes (PP2 to PP5) ✅ Four fixed rotor speed modes for consistent operation ✅ Automatic night power reduction to 5 watts ✅ Self-ventilated casing to prevent air ingress ✅ Electrical and thermal protection for enhanced safety ✅ Ideal for commercial HVAC and underfloor heating</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-8-180-661995902-p23634</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-8-180-661995902-p23634</link>
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              <pubDate>Thu, 08 Oct 2026 02:05:05 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P8 Series P8 40/12 (661996001)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-40-12-661996001-p23635"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748430438-44291300.jpg" alt="BritTherm Automatic Сirculator Pump P8 Series P8 40/12 (661996001)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-40-12-661996001-p23635">BritTherm Automatic Сirculator Pump P8 Series P8 40/12 (661996001)</a></p>
<p>The BritTherm P8 40/12 is a robust, flanged circulator pump designed for demanding commercial heating applications. Equipped with permanent magnet and compact rotor technology, it ensures quiet operation and low power consumption. Offering 16 versatile automatic modes, including AUTO, constant pressure, proportional pressure, and fixed speed modes, this pump is highly adaptable to various system requirements. Its built-in electrical and thermal protections increase reliability, while the automatic night power reduction function optimises energy savings without compromising heating performance.
Built for heavy-duty commercial heating systems, the BritTherm P8 40/12 features a 40mm flanged connection and a maximum head of 12 metres, making it ideal for high-demand HVAC installations. The pump&#039;s advanced permanent magnet motor and compact rotor technology deliver quiet, efficient performance with minimal energy use.
This pump offers 16 selectable operation modes, allowing users to tailor performance to system needs. The AUTO mode simplifies setup by adapting to 80% of existing heating systems. Five constant pressure modes (CP1 to CP5) maintain steady flow in systems with minimal fluctuations, while five proportional pressure modes (PP1 to PP5) adjust dynamically for systems with varying flow rates. Additionally, five fixed rotor speed modes (CS1 to CS5) provide traditional speed control options.
An automatic night power reduction feature reduces energy consumption to just 5 watts during off-peak hours, preserving heating comfort while saving energy. Electrical and thermal protection systems safeguard the pump from external issues unrelated to normal operation, enhancing durability and reducing downtime.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Heavy-duty flanged design for commercial heating systems ✅ Permanent magnet motor for energy-efficient operation ✅ Compact rotor technology for whisper-quiet performance ✅ 16 versatile automatic operation modes ✅ AUTO mode for easy one-button activation ✅ Five constant pressure modes (CP1 to CP5) ✅ Five proportional pressure modes (PP1 to PP5) ✅ Five fixed rotor speed modes (CS1 to CS5) ✅ Automatic night power reduction to 5 watts ✅ Electrical and thermal protection for enhanced reliability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-40-12-661996001-p23635</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-40-12-661996001-p23635</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P8 Series P8 50/12 (661996002)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-50-12-661996002-p23636"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748430525-99590400.jpg" alt="BritTherm Automatic Сirculator Pump P8 Series P8 50/12 (661996002)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-50-12-661996002-p23636">BritTherm Automatic Сirculator Pump P8 Series P8 50/12 (661996002)</a></p>
<p>The BritTherm P8 50/12 is a heavy-duty flanged circulator pump built for commercial heating systems. Featuring permanent magnet and compact rotor technology, it ensures quiet, efficient operation with low power consumption. The pump offers 16 automatic operation modes, including AUTO, constant pressure, proportional pressure, and fixed rotor speed modes, providing flexible control to suit a wide range of commercial heating requirements. An automatic night power reduction function further enhances energy savings without compromising heating performance. Robust electrical and thermal protection systems safeguard the pump for reliable long-term use.
Designed for demanding commercial HVAC applications, the BritTherm P8 50/12 is a robust flanged pump with a 50mm connection size and a maximum head of 12 metres. Its permanent magnet motor combined with compact rotor technology delivers whisper-quiet operation alongside low energy consumption, making it an ideal choice for modern heating systems focused on efficiency and noise reduction.
This pump features 16 selectable automatic modes for tailored system performance. The AUTO mode offers easy one-button activation and suits around 80% of existing heating setups. Five constant pressure modes (CP1 to CP5) are perfect for systems with stable flow requirements, while five proportional pressure modes (PP1 to PP5) automatically adjust to fluctuating flow rates. Additionally, five fixed rotor speed modes (CS1 to CS5) allow for traditional manual speed control.
The built-in automatic night power reduction function cuts energy use to just 5 watts during low-demand periods, reducing running costs without impacting heating quality. Comprehensive electrical and thermal protections prevent damage from external factors unrelated to pump operation, improving durability and uptime in commercial environments.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Heavy-duty 50mm flanged pump for commercial use ✅ Permanent magnet motor for efficient, quiet running ✅ Compact rotor technology minimises noise and energy use ✅ 16 versatile automatic operation modes ✅ Easy AUTO mode activation with one button ✅ Five constant pressure modes (CP1–CP5) for stable flow systems ✅ Five proportional pressure modes (PP1–PP5) for variable flow systems ✅ Five fixed rotor speed modes (CS1–CS5) for manual control ✅ Automatic night power reduction to 5 watts for energy saving ✅ Electrical and thermal protection systems for reliability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-50-12-661996002-p23636</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-50-12-661996002-p23636</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P8 Series P8 65/12 (661996003)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-65-12-661996003-p23637"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748430606-46749800.jpg" alt="BritTherm Automatic Сirculator Pump P8 Series P8 65/12 (661996003)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-65-12-661996003-p23637">BritTherm Automatic Сirculator Pump P8 Series P8 65/12 (661996003)</a></p>
<p>The BritTherm P8 65/12 is a heavy-duty flanged circulator pump designed for commercial heating systems. It features a permanent magnet motor and compact rotor technology for quiet, efficient operation with low power consumption. With 16 automatic operation modes—including AUTO, constant pressure, proportional pressure, and fixed rotor speed modes—this pump offers exceptional versatility for diverse commercial HVAC requirements. The automatic night power reduction function minimises energy use without compromising heating performance, supported by electrical and thermal protection for enhanced reliability.
Built to meet the demands of commercial HVAC systems, the BritTherm P8 65/12 pump comes with a 65mm flanged connection and delivers a maximum head of 12 metres. Its permanent magnet motor and compact rotor design ensure whisper-quiet running while maintaining high energy efficiency, ideal for environments where noise and energy costs are a concern.
The pump&amp;rsquo;s 16 automatic modes provide flexible control options: AUTO mode activates with a single button press, suitable for approximately 80% of existing heating systems. Five constant pressure modes (CP1 to CP5) cater to stable flow rate applications, while five proportional pressure modes (PP1 to PP5) adjust dynamically for variable flow demands. Additionally, five fixed rotor speed modes (CS1 to CS5) allow traditional manual speed selection.
Energy efficiency is further improved with the automatic night power reduction feature, cutting power consumption down to 5 watts during low-demand periods without affecting heating quality. Robust electrical and thermal protection mechanisms guard against external damage unrelated to pump operation, ensuring longevity and dependable performance in commercial settings.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Heavy-duty 65mm flanged pump for commercial heating systems ✅ Permanent magnet motor for quiet, energy-efficient operation ✅ Compact rotor technology reduces noise and power use ✅ 16 automatic operation modes for versatile system control ✅ Simple one-button AUTO mode activation ✅ Five constant pressure modes (CP1–CP5) for stable flow systems ✅ Five proportional pressure modes (PP1–PP5) for variable flow systems ✅ Five fixed rotor speed modes (CS1–CS5) for manual control ✅ Automatic night power reduction to 5 watts for energy saving ✅ Electrical and thermal protection for enhanced reliability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-65-12-661996003-p23637</guid>
              <link>/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-65-12-661996003-p23637</link>
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              <pubDate>Thu, 08 Oct 2026 02:05:05 +0100</pubDate>
              <title>BritTherm BR15 Bronze Edition 15-60/130* Hot Water Range (Manual). 3 Years Warranty.</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-br15-bronze-edition-15-60-130-hot-water-range-manual-3-years-warranty-p2839"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1668009978-98456300.png" alt="BritTherm BR15 Bronze Edition 15-60/130* Hot Water Range (Manual). 3 Years Warranty."  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-br15-bronze-edition-15-60-130-hot-water-range-manual-3-years-warranty-p2839">BritTherm BR15 Bronze Edition 15-60/130* Hot Water Range (Manual). 3 Years Warranty.</a></p>
<p>
Technical Specification&amp;nbsp;

&amp;nbsp;

Connection Size: 1 ½&amp;rdquo;


Port to Port Distance: 130mm


Maximum Head: 6 Meters&amp;nbsp;


Maximum Flow Rate: 65 Litres Per Minute&amp;nbsp;


Speed Control: 3 Fixed Speeds


Maximum System Pressure: 1.0 MPa / 10 Bar


Protection Class: IP44


Temperature Class: TF110ºC


Insulation Class: F


Supplied With: Rubber Washers x2


Material: Bronze


Colour: Bronze


Weight: 2.5kg
</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-br15-bronze-edition-15-60-130-hot-water-range-manual-3-years-warranty-p2839</guid>
              <link>/heating-c6/pumps-c2136/brittherm-br15-bronze-edition-15-60-130-hot-water-range-manual-3-years-warranty-p2839</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Recirculator Pumps R1 Series R1 12/1.2 (661999701)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r1-series-r1-12-1-2-661999701-p23646"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748433479-57461700.jpg" alt="BritTherm Recirculator Pumps R1 Series R1 12/1.2 (661999701)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r1-series-r1-12-1-2-661999701-p23646">BritTherm Recirculator Pumps R1 Series R1 12/1.2 (661999701)</a></p>
<p>The BritTherm R1 12/1.2 Recirculator Pump is a high-efficiency, fully automatic unit designed for hot and cold water recirculation in single or multi-household systems. Utilising advanced magnetic levitation technology, the pump eliminates internal friction for ultra-quiet and wear-free operation. With three intelligent control modes—manual, timer, and temperature-based—it offers energy efficiency, convenience, and tailored performance for any household or commercial application requiring a steady flow of tempered water.
The BritTherm R1 12/1.2 is an advanced recirculator pump that ensures instant access to hot or cold drinking water while reducing energy and water waste. Designed for homes or small commercial premises, it uses magnetic levitation to rotate its ferrite magnet impeller, removing internal contact points and virtually eliminating wear and noise during operation.
The pump features three control modes to suit user preferences:


Manual Mode allows continuous operation—ideal for 24-hour usage in commercial environments.


Clock Mode enables scheduled activation and deactivation, helping homeowners save on energy by running the pump only when needed.


Automatic Temperature Mode uses a built-in sensor to monitor water temperature, switching the pump on or off to maintain consistent temperature levels.


Built-in electrical and thermal protections prevent damage from power surges or overheating, extending the lifespan of the pump and offering peace of mind. The BritTherm R1 12/1.2 is a smart, low-maintenance solution for efficient recirculation in any system.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Magnetic levitation impeller with zero friction ✅ Ideal for hot and cold potable water recirculation ✅ Three operating modes: manual, clock, and temperature-based ✅ Whisper-quiet, wear-free operation ✅ Built-in temperature sensor for energy-efficient use ✅ Electrical and thermal protection systems ✅ Reduces water and energy wastage ✅ Compact and modern design ✅ Suitable for domestic and light commercial settings ✅ Easy installation with user-friendly controls</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r1-series-r1-12-1-2-661999701-p23646</guid>
              <link>/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r1-series-r1-12-1-2-661999701-p23646</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Recirculator Pumps R2 Series R2 12/1.2 (661999702)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r2-series-r2-12-1-2-661999702-p23647"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748433725-15648000.jpg" alt="BritTherm Recirculator Pumps R2 Series R2 12/1.2 (661999702)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r2-series-r2-12-1-2-661999702-p23647">BritTherm Recirculator Pumps R2 Series R2 12/1.2 (661999702)</a></p>
<p>The BritTherm R2 12/1.2 Recirculator Pump is a cutting-edge solution for maintaining a consistent flow of hot or cold water in residential and small commercial plumbing systems. Powered by magnetic levitation technology, this frictionless pump is designed for quiet, reliable, and energy-efficient operation. With three versatile modes—manual, timer-based, and automatic temperature sensing—it offers full control over your water recirculation, reducing waste and increasing comfort throughout the home.
Engineered for high performance and low energy consumption, the BritTherm R2 12/1.2 is a fully automatic water recirculator pump that uses magnetic levitation to operate its ferrite magnet impeller. This design eliminates internal friction, delivering whisper-quiet performance and extending the pump&amp;rsquo;s lifespan.
The R2 Series supports multiple control modes:


Manual Mode allows constant running until manually turned off—ideal for facilities requiring continual hot water.


Clock Mode lets users schedule specific times for the pump to run, helping save energy.


Automatic Temperature Mode uses a built-in sensor to switch the pump on or off depending on water temperature, ensuring comfort and reducing waste.


With robust electrical and thermal protection, this pump guards against external faults, giving you added security and dependable operation. Suitable for both single and multi-household installations, the R2 12/1.2 combines innovative features with practical design.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Magnetic levitation impeller for silent, frictionless performance ✅ Ideal for domestic hot and cold water recirculation ✅ Three operating modes: manual, timer, and temperature-controlled ✅ Temperature sensor ensures water stays within desired range ✅ Energy-efficient and environmentally friendly ✅ Electrical and thermal safety protection built-in ✅ Easy-to-use interface for mode selection ✅ Reduces water and energy waste ✅ Long-lasting and low maintenance ✅ Suitable for single and multi-dwelling properties</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r2-series-r2-12-1-2-661999702-p23647</guid>
              <link>/heating-c6/pumps-c2136/brittherm-recirculator-pumps-r2-series-r2-12-1-2-661999702-p23647</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H1 Series H1 15/6 (661996302)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h1-series-h1-15-6-661996302-p23760"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748614602-07412600.png" alt="BritTherm Replacement Pump Head H1 Series H1 15/6 (661996302)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h1-series-h1-15-6-661996302-p23760">BritTherm Replacement Pump Head H1 Series H1 15/6 (661996302)</a></p>
<p>The BritTherm H1 15/6 Replacement Pump Head is a versatile and reliable electric motor, suitable for a wide range of domestic and commercial heating pump applications. With a simple mechanical three-speed control switch, users can manually select the desired pump speed to suit system requirements. Designed for pumps with anti-clockwise rotor rotation, this replacement head is engineered for low-noise performance and straightforward installation. Supplied with universal mounting bolts and easy electrical connections, it&amp;rsquo;s an ideal drop-in solution for maintaining or upgrading your heating system.
Product Description: The BritTherm Replacement Pump Head H1 15/6 is a durable, multi-purpose electric motor unit ideal for replacing worn or noisy heads in standard heating circulation pumps. Its compact, classic design includes a counter-clockwise rotor and a robust three-speed control that allows you to manually adjust the motor to low, medium, or high speed via a mechanical switch.
Designed for simplicity, this pump head is extremely easy to install with its included set of multi-purpose bolts and standard electrical connection compatibility. The unit also delivers whisper-quiet operation, making it well-suited for both residential and light commercial environments. Whether you&amp;rsquo;re upgrading or replacing, the H1 15/6 ensures continued pump performance with minimal fuss.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Classic 3-speed motor for flexible system control ✅ Mechanical switch for reliable speed adjustment ✅ Designed for pumps with anti-clockwise rotor rotation ✅ Very low noise during operation ✅ Quick and easy installation with included universal bolts ✅ Straightforward connection to boiler electrics ✅ Robust and time-tested design ✅ Ideal for a wide range of heating applications ✅ Compact and efficient motor housing ✅ Maintains pump performance without full replacement</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h1-series-h1-15-6-661996302-p23760</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h1-series-h1-15-6-661996302-p23760</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H2 Series H2 15/6 (661996402)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h2-series-h2-15-6-661996402-p23761"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748614866-23240100.png" alt="BritTherm Replacement Pump Head H2 Series H2 15/6 (661996402)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h2-series-h2-15-6-661996402-p23761">BritTherm Replacement Pump Head H2 Series H2 15/6 (661996402)</a></p>
<p>The BritTherm H2 15/6 Replacement Pump Head offers a time-tested, three-speed electric motor solution for heating systems requiring clockwise rotor rotation. Designed for universal application across a wide range of pump types, it features a simple mechanical switch for manual speed selection. With a robust build, very low operational noise, and easy installation, this replacement pump head is ideal for both domestic and light commercial settings. Supplied with universal bolts and straightforward wiring compatibility, the H2 15/6 is a reliable, hassle-free upgrade for worn or ageing pump heads.
The BritTherm Replacement Pump Head H2 15/6 is a dependable three-speed electric motor built to accommodate heating systems with clockwise rotor rotation. Ideal for maintaining system performance without replacing the entire pump, the H2 head is engineered for efficiency, quiet operation, and ease of use. The rotor speed is selected using a mechanical three-position switch, offering low, medium, and high-speed settings to match system demand.
Installation is quick and simple thanks to the included set of multi-purpose mounting bolts, and its standard electrical connectors make integration into most boilers straightforward. Perfect for both domestic and commercial applications, the H2 15/6 is a practical replacement head for any compatible circulation pump system.
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Features &amp;amp; Benefits: ✅ 3-speed motor for flexible performance control ✅ Clockwise rotor rotation compatibility ✅ Simple mechanical switch for speed selection ✅ Quiet operation ideal for home environments ✅ Universal bolts included for fast installation ✅ Easy electrical connection into existing boiler systems ✅ Reliable and long-lasting motor design ✅ Suitable for various circulation pump types ✅ Ideal replacement for ageing or noisy pump heads ✅ Compact and efficient motor solution</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h2-series-h2-15-6-661996402-p23761</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h2-series-h2-15-6-661996402-p23761</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H3 Series H3 25/4 (661996502)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-4-661996502-p23651"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748264968-37805600.jpg" alt="BritTherm Replacement Pump Head H3 Series H3 25/4 (661996502)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-4-661996502-p23651">BritTherm Replacement Pump Head H3 Series H3 25/4 (661996502)</a></p>
<p>The BritTherm H3 25/4 Replacement Pump Head is designed to boost water pressure efficiently across household taps, showers, and other plumbing points. Equipped with a built-in check valve and an intelligent automatic start/stop programme, it adapts to changes in water flow and pressure, ensuring optimal performance and energy savings.
The BritTherm Replacement Pump Head H3 Series H3 25/4 is engineered for domestic water pressure boosting with durability and smart functionality.
It incorporates a built-in check valve inside the pump casing to prevent backflow and safeguard the system. The pump offers two operational modes: Manual Mode, providing a constant shaft speed until switched off manually, and AUTO Mode, which activates automatically when a tap is opened and stops when the tap closes, reacting swiftly to fluctuations in water flow and pressure.
The pump&amp;rsquo;s volute casing is epoxy-coated for long-lasting corrosion resistance. Simple, single-button automation controls the pump in start/stop mode, making it user-friendly. These pumps are ideally paired with water tanks supplying potable water, delivering consistent pressure and improved water flow.
Electrical and thermal protection features guard the pump against external damage, increasing reliability and lifespan.
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Features &amp;amp; Benefits: ✅ Built-in check valve prevents backflow and protects the system ✅ AUTO Mode offers automatic start/stop based on water usage ✅ Manual Mode allows constant operation at fixed speed ✅ Epoxy-coated volute enhances durability and corrosion resistance ✅ Easy single-button activation for automated control ✅ Ideal for boosting water pressure to household taps and showers ✅ Suitable for use with drinking water tanks ✅ Electrical and thermal protection for extended pump life</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-4-661996502-p23651</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-4-661996502-p23651</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H3 Series H3 25/6 (661996505)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-6-661996505-p23652"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748437163-79822600.png" alt="BritTherm Replacement Pump Head H3 Series H3 25/6 (661996505)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-6-661996505-p23652">BritTherm Replacement Pump Head H3 Series H3 25/6 (661996505)</a></p>
<p>The BritTherm H3 25/6 Replacement Pump Head is a high-efficiency solution designed for modern combi boilers and smart heating systems. Featuring universal PWM control and a anti clockwise rotor, this motor head is compatible with top-tier thermostats including Siemens and Honeywell. With 11 automatic modes, 3 fixed-speed settings, and a night power-saving function, it ensures energy-conscious, responsive heating performance in domestic and renewable applications.
Designed for precision control and long-lasting performance, the BritTherm H3 Series H3 25/6 replacement pump head is a versatile, smart-ready electric motor ideal for replacing worn-out units in combi boilers. It features a anti clockwise rotating rotor and universal PWM (Pulse Width Modulation) control, enabling remote speed regulation via the boiler&amp;rsquo;s PCB or third-party smart thermostats like Honeywell or Siemens.
The motor head is suitable for integration into advanced heating systems, including solar thermal, underfloor heating, and &amp;ldquo;smart home&amp;rdquo; setups. It offers 11 automatic work programmes alongside 3 fixed-speed options (&amp;ldquo;Old School&amp;rdquo;), providing flexibility to meet varying heating demands.
Its intelligent night mode reduces energy usage to as little as 5 watts when demand is low—perfect for improving efficiency without compromising performance. Built-in thermal and electrical protection ensures durability even in challenging conditions.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ PWM control for remote speed adjustment ✅ Compatible with Honeywell, Siemens, and smart controllers ✅ Anti clockwise rotation for combi boiler systems ✅ 11 automatic programmes plus 3 fixed-speed modes ✅ Ideal for smart homes, underfloor, and solar systems ✅ Night mode cuts energy use to just 5 watts ✅ Built-in PWM processor for seamless integration ✅ Improves system responsiveness and energy efficiency ✅ Thermal and electrical protection for long-term reliability ✅ Simple installation for direct replacement</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-6-661996505-p23652</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-6-661996505-p23652</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H3 Series H3 25/8 (661996508)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-8-661996508-p23653"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748437325-67516800.png" alt="BritTherm Replacement Pump Head H3 Series H3 25/8 (661996508)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-8-661996508-p23653">BritTherm Replacement Pump Head H3 Series H3 25/8 (661996508)</a></p>
<p>The BritTherm H3 25/8 Replacement Pump Head is a high-efficiency, universal electric motor designed for use in modern combination gas boilers requiring anti-clockwise rotor rotation. Built for maximum compatibility and efficiency, this pump head is remotely controlled via low-voltage PWM signals from the boiler&amp;rsquo;s circuit board. Fully compatible with smart home systems, thermostats, and renewable energy setups, the H3 25/8 offers 11 automatic programmes and 3 constant-speed settings. It also includes night-time power reduction and advanced protection against electrical and thermal faults, making it a reliable upgrade or replacement solution.
The BritTherm H3 25/8 Pump Head is part of the versatile H3 Series, offering reliable and energy-efficient performance for modern gas boilers. Designed to rotate anti-clockwise, this replacement pump head integrates seamlessly into boiler systems using universal PWM (Pulse Width Modulation) technology. It accepts low-voltage control signals via a dedicated cable from the boiler&amp;rsquo;s electronic board, enabling smooth and efficient remote rotor speed management.
Ideal for smart heating systems, the H3 25/8 is compatible with major thermostat brands such as Siemens and Honeywell. It supports 11 automatic operation modes and 3 traditional fixed-speed settings, suiting a variety of system demands. The built-in Night Power Reduction function lowers energy consumption to just 5 watts without compromising heating quality. With integrated electrical and thermal protection systems, this pump head ensures long-lasting, reliable operation and safeguards against external damage.
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Features &amp;amp; Benefits: ✅ Universal compatibility with modern gas boilers ✅ Anti-clockwise rotor rotation for accurate system integration ✅ Remotely controlled via PWM low-voltage signal ✅ Compatible with smart thermostats and controllers (e.g., Siemens, Honeywell) ✅ Ideal for underfloor heating, solar systems, and heat pumps ✅ 11 automatic operation programmes + 3 fixed-speed modes ✅ Built-in Night Power Reduction – consumes as little as 5W ✅ Energy-efficient without compromising heating performance ✅ Electrical and thermal protection ensures pump longevity ✅ Suitable for smart home and renewable energy systems ✅ Easy upgrade or replacement option for faulty motors</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-8-661996508-p23653</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-8-661996508-p23653</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H4 Series H4 25/4 (661996602)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-4-661996602-p23660"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748600647-72547500.png" alt="BritTherm Replacement Pump Head H4 Series H4 25/4 (661996602)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-4-661996602-p23660">BritTherm Replacement Pump Head H4 Series H4 25/4 (661996602)</a></p>
<p>The BritTherm H4 25/4 Replacement Pump Head is a universal electric motor designed for repair and replacement in modern combination gas boilers. Featuring advanced PWM technology for remote rotor speed control, it integrates seamlessly with smart home controllers and diverse heating systems such as underfloor heating, solar, and heat pumps, ensuring efficient and adaptable heating performance.
The BritTherm Replacement Pump Head H4 Series H4 25/4 offers reliable and versatile operation for modern domestic heating solutions. Its universal motor supports clockwise rotor rotation and is controlled remotely via PWM (Pulse Width Modulation) signals from the boiler&amp;rsquo;s electronic board, connected through a special control cable.
Thanks to the built-in PWM function in the motor processor, the H4 Series motors are compatible with a wide range of controllers and thermostats, including Siemens and Honeywell, making them ideal for smart home systems. This flexibility extends to various heating setups such as underfloor heating, solar thermal systems, and heat pumps.
Equipped with 11 automatic operation modes, including three constant fixed speeds (&amp;ldquo;Old School&amp;rdquo;), the pump head offers precise control tailored to your heating system&amp;rsquo;s needs. Its Automatic Night Power Reduction function lowers energy consumption to a mere 5 watts without compromising heating quality, contributing significantly to energy savings.
Robust electrical and thermal protection mechanisms protect the pump from damage caused by external factors, enhancing durability and reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Universal motor with remote PWM rotor speed control ✅ Compatible with Siemens, Honeywell, and other smart thermostats ✅ Suitable for clockwise rotor rotation in combination boilers ✅ 11 automatic operating programmes, including 3 fixed speeds ✅ Energy-saving night mode reduces power to 5 watts ✅ Ideal for smart homes, underfloor heating, solar, and heat pumps ✅ Built-in electrical and thermal protection for durability ✅ Easy installation with dedicated control cable</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-4-661996602-p23660</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-4-661996602-p23660</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H4 Series H4 25/6 (661996605)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-6-661996605-p23661"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748438860-22800600.png" alt="BritTherm Replacement Pump Head H4 Series H4 25/6 (661996605)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-6-661996605-p23661">BritTherm Replacement Pump Head H4 Series H4 25/6 (661996605)</a></p>
<p>The BritTherm H4 25/6 Replacement Pump Head is a versatile and energy-efficient clockwise-rotating motor head ideal for combination gas boilers. Designed with built-in PWM (Pulse Width Modulation) functionality, it allows seamless remote control of rotor speed via a low-voltage signal from the boiler&amp;rsquo;s electronic board. Compatible with leading thermostat brands such as Siemens and Honeywell, the H4 25/6 is a dependable solution for modern heating systems including underfloor heating, solar installations, and heat pumps.
Optimise your central heating system with the BritTherm H4 25/6, a reliable and easy-to-install replacement pump head built for clockwise rotor operation. This advanced motor uses PWM technology for remote speed adjustment and integrates directly with your boiler&amp;rsquo;s controller for smart, efficient operation.
The H4 25/6 is equipped with 11 automatic operating programmes and 3 constant-speed modes, giving it the flexibility to handle a variety of domestic heating requirements. Its energy-saving night mode reduces consumption to just 5 watts without sacrificing performance. Built-in thermal and electrical protection ensure long-term reliability, making this unit ideal for any homeowner or engineer seeking a robust, energy-conscious upgrade.
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Features &amp;amp; Benefits: ✅ Clockwise rotation for compatibility with a wide range of boilers ✅ Integrated PWM for smart remote speed control ✅ Compatible with Siemens, Honeywell, and other thermostat systems ✅ Suitable for smart home, solar, and heat pump systems ✅ 11 automatic operation programmes ✅ 3 constant &amp;ldquo;Old School&amp;rdquo; speed settings ✅ Night Power Reduction Function (down to 5W) ✅ Built-in protection against electrical and thermal faults ✅ Easy to retrofit and install ✅ Boosts system efficiency and reduces energy bills ✅ Designed for modern heating system upgrades</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-6-661996605-p23661</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-6-661996605-p23661</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Replacement Pump Head H4 Series H4 25/8 (661996608)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-8-661996608-p23662"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748438985-09096600.png" alt="BritTherm Replacement Pump Head H4 Series H4 25/8 (661996608)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-8-661996608-p23662">BritTherm Replacement Pump Head H4 Series H4 25/8 (661996608)</a></p>
<p>The BritTherm H4 25/8 Replacement Pump Head is designed for modern combination gas boilers requiring clockwise rotor rotation. Featuring built-in PWM technology, this motor allows precise remote control of rotor speed via a low-voltage signal from the boiler&amp;rsquo;s electronic board. Compatible with a variety of controllers and thermostats such as Siemens and Honeywell, it is ideal for integration into smart homes, underfloor heating, solar thermal, and heat pump systems.
Enhance your heating system with the BritTherm H4 25/8, a universal electric motor pump head designed for clockwise rotation in combination boilers. The motor&amp;rsquo;s integrated PWM processor facilitates remote speed control through the boiler&amp;rsquo;s electronic system, enabling smooth and efficient operation tailored to your home&amp;rsquo;s needs.
This pump head supports 11 automatic work programmes, including three constant fixed speeds for traditional setups. Its Automatic Night Power Reduction Function lowers energy consumption to just 5 watts during low-demand periods, contributing significantly to energy savings without compromising heating performance.
Robust electrical and thermal protection systems safeguard the pump against faults caused by external factors unrelated to its operation, ensuring reliability and long service life. This pump is perfect for heating engineers and homeowners aiming to upgrade or maintain efficient heating systems.
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Features &amp;amp; Benefits: ✅ Clockwise rotor design for wide boiler compatibility ✅ Built-in PWM for seamless remote speed control ✅ Compatible with Siemens, Honeywell, and other thermostats ✅ Suitable for smart home, underfloor heating, solar, and heat pump systems ✅ 11 automatic operating programmes plus 3 fixed speed modes ✅ Automatic Night Power Reduction cuts energy use to 5 watts ✅ Electrical and thermal protection for enhanced durability ✅ Easy retrofit replacement for modern combination boilers ✅ Improves heating system efficiency and reduces running costs</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-8-661996608-p23662</guid>
              <link>/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-8-661996608-p23662</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B1 Series B1 20/12-180 (661996708)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-20-12-180-661996708-p23670"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748441015-90708100.jpg" alt="BritTherm Сirculator Pump B1 Series B1 20/12-180 (661996708)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-20-12-180-661996708-p23670">BritTherm Сirculator Pump B1 Series B1 20/12-180 (661996708)</a></p>
<p>The BritTherm B1 20/12-180 Circulator Pump is a high-performance, three-speed circulation pump built with a durable bronze body for safe use with cold and hot drinking water. Designed for demanding applications, this model delivers strong flow capacity and flexibility with manually selected speed settings. With reliable thermal and electrical protection, it&amp;rsquo;s a time-tested solution for domestic and light commercial systems.
Built to handle higher capacity circulation requirements, the BritTherm B1 20/12-180 Circulator Pump offers robust performance in potable water systems. Its bronze body construction provides excellent corrosion resistance, making it suitable for both hot and cold water circulation.
The pump features a manual switch with three fixed speeds, enabling users to easily adjust flow settings across the full power range to match the system&#039;s demands. This &amp;ldquo;Old School&amp;rdquo; design is favoured for its reliability and simplicity in a wide range of installation types.
To ensure safe and long-lasting operation, the pump is equipped with integrated electrical and thermal protection systems. These features safeguard against external faults and thermal overloads, preventing unexpected breakdowns and maintaining system reliability.
This model&amp;rsquo;s 180mm length and powerful performance make it ideal for larger domestic systems, commercial premises, or multi-zoned heating and water circulation applications.
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Features &amp;amp; Benefits: ✅ Three-speed manual operation for adaptable flow control ✅ High-capacity performance for larger systems ✅ Bronze body for safe use with drinking water ✅ Reliable and easy-to-service design ✅ Electrical and thermal safety protection built in ✅ Ideal for both domestic and commercial water systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-20-12-180-661996708-p23670</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-20-12-180-661996708-p23670</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B1 Series B1 25/4-130 (661996702)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-4-130-661996702-p23671"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748441066-79780100.png" alt="BritTherm Сirculator Pump B1 Series B1 25/4-130 (661996702)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-4-130-661996702-p23671">BritTherm Сirculator Pump B1 Series B1 25/4-130 (661996702)</a></p>
<p>The BritTherm B1 25/4-130 Circulator Pump is a dependable three-speed pump designed for circulating both hot and cold potable water. Its classic bronze body construction ensures compatibility with drinking water systems, while the manual speed selector allows for precise control across varying system requirements. Ideal for homeowners and installers looking for a traditional, proven solution with added protection features for long-term reliability.
The BritTherm B1 25/4-130 Circulator Pump offers an efficient and robust solution for domestic water circulation. Featuring a durable bronze body, it&amp;rsquo;s suitable for applications involving drinking water, and resistant to corrosion over time.
This model comes with a simple three-speed mechanical switch, letting users set the flow rate to match their specific system performance needs. This &amp;ldquo;Old School&amp;rdquo; control method is appreciated for its reliability and ease of use, particularly in traditional or retrofit installations.
With built-in thermal and electrical protection, the pump is safeguarded from overheating and electrical faults, reducing the risk of breakdowns caused by external issues. Its compact 130mm length makes it suitable for tight installation spaces in residential systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Three manual speed settings for system flexibility ✅ Corrosion-resistant bronze body for potable water ✅ Trusted &amp;ldquo;Old School&amp;rdquo; mechanical control ✅ Thermal and electrical protection for peace of mind ✅ Compact design suitable for tight spaces ✅ Ideal for central heating and domestic water systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-4-130-661996702-p23671</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-4-130-661996702-p23671</link>
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              <pubDate>Thu, 08 Oct 2026 02:05:05 +0100</pubDate>
              <title>BritTherm Сirculator Pump B1 Series B1 25/8-180 (661996707)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-8-180-661996707-p23675"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748441210-28863700.jpg" alt="BritTherm Сirculator Pump B1 Series B1 25/8-180 (661996707)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-8-180-661996707-p23675">BritTherm Сirculator Pump B1 Series B1 25/8-180 (661996707)</a></p>
<p>The BritTherm B1 25/8-180 Circulator Pump is a durable bronze pump designed for circulating hot and cold drinking water in domestic heating and plumbing systems. With a higher head and longer 180mm body, it&amp;rsquo;s ideal for systems requiring more power or pressure. The manual three-speed setting offers full control, while integrated thermal and electrical protection ensures safe, reliable operation across a range of applications.
The BritTherm Circulator Pump B1 Series B1 25/8-180 offers increased power and flexibility, making it the ideal solution for high-performance domestic heating and water systems. The bronze body construction ensures suitability for potable water, while the 180mm length is compatible with a wide variety of system layouts, especially those needing a higher head pump.
This pump includes three manually selectable speed settings via a traditional mechanical switch – a proven and dependable feature for installers and engineers. Safety is prioritised with built-in electrical and thermal protection to prevent damage from overheating or electrical faults.
A dependable, cost-effective upgrade or replacement pump for traditional and modern plumbing systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Three-speed manual switch for adjustable flow control ✅ Bronze construction for hot and cold potable water systems ✅ Extended 180mm body for greater installation flexibility ✅ Higher head for more demanding system requirements ✅ Thermal and electrical safety protection included ✅ Long-lasting and maintenance-friendly design</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-8-180-661996707-p23675</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b1-series-b1-25-8-180-661996707-p23675</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B2 Series B2 12/10-162 (661996802)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-10-162-661996802-p23676"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748441540-54454300.jpg" alt="BritTherm Сirculator Pump B2 Series B2 12/10-162 (661996802)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-10-162-661996802-p23676">BritTherm Сirculator Pump B2 Series B2 12/10-162 (661996802)</a></p>
<p>The BritTherm B2 12/10-162 Booster Pump is designed to draw water directly from tanks, delivering reliable and consistent water pressure to showers, taps, and appliances. With manual and AUTO operating modes, this booster pump adapts to real-time demand. It features a built-in check valve, one-button automation, and built-in electrical and thermal protection for enhanced safety. Ideal for domestic systems that need stable water pressure from storage tanks.
The BritTherm Circulator Pump B2 Series B2 12/10-162 is a powerful and compact domestic booster pump engineered for use with water storage tanks. Designed to provide steady water pressure across various household plumbing points, it automatically activates when a tap is opened and switches off when flow stops – perfect for improving performance in low-pressure areas.
This versatile pump offers two user-selectable modes. In Manual Mode, it operates continuously until switched off, while AUTO Mode enables fully automatic operation based on flow detection and pressure drop. The pump includes a built-in check valve within the housing to prevent backflow and ensure reliable performance.
Engineered with electrical and thermal protection, this pump is safe, efficient, and easy to install. A trusted solution for boosting pressure in underperforming domestic water systems.
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Features &amp;amp; Benefits: ✅ Designed for use with water tanks for stable supply ✅ AUTO Mode activates pump based on water flow ✅ Manual Mode for continuous operation ✅ Built-in check valve prevents water backflow ✅ Simple one-button automatic programming ✅ Increases water pressure for showers and taps ✅ Thermal and electrical protection for reliability</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-10-162-661996802-p23676</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-10-162-661996802-p23676</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B2 Series B2 12/9-160 (661996801)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-9-160-661996801-p23677"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748441685-16428200.jpg" alt="BritTherm Сirculator Pump B2 Series B2 12/9-160 (661996801)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-9-160-661996801-p23677">BritTherm Сirculator Pump B2 Series B2 12/9-160 (661996801)</a></p>
<p>The BritTherm B2 12/9-160 Booster Pump is a smart, compact solution designed to draw water from storage tanks and deliver consistent pressure to your taps, showers, and appliances. It features AUTO and Manual operating modes, a built-in check valve, and one-touch programming for ease of use. Perfect for homes with low water pressure or systems fed by storage tanks, this pump also includes built-in electrical and thermal protection for safety and durability.
The BritTherm Circulator Pump B2 Series B2 12/9-160 is a reliable booster pump built for household use, particularly in systems supplied by storage tanks. It boosts water pressure for various outlets, such as taps and showers, by drawing directly from the tank. Its compact and efficient design makes it suitable for both new and retrofit plumbing installations.
The pump includes two modes: Manual Mode for continuous operation and AUTO Mode, which detects water flow to switch the pump on or off automatically. A built-in check valve within the casing ensures smooth operation by preventing backflow. The simple one-button AUTO programme makes it easy to set up, saving time and reducing the need for manual control.
With integrated electrical and thermal safety features, this pump protects against overloads and overheating, delivering dependable performance for everyday use.
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Features &amp;amp; Benefits: ✅ Ideal for tank-fed systems in homes ✅ AUTO Mode activates pump based on flow and pressure ✅ Manual Mode for continuous operation ✅ Integrated check valve to prevent backflow ✅ One-button programming for easy setup ✅ Boosts water pressure for taps, showers, and more ✅ Built-in thermal and electrical protection for safety</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-9-160-661996801-p23677</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b2-series-b2-12-9-160-661996801-p23677</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B3 Series B3 25/4-130 (661996902)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-4-130-661996902-p23682"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748445245-70435900.jpg" alt="BritTherm Сirculator Pump B3 Series B3 25/4-130 (661996902)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-4-130-661996902-p23682">BritTherm Сirculator Pump B3 Series B3 25/4-130 (661996902)</a></p>
<p>The BritTherm B3 25/4-130 Circulator Pump is a high-efficiency, smart pump designed for potable water circulation and recirculation systems. It features 9 built-in intelligent operating modes, including AUTO, constant and proportional pressure settings, three fixed speeds, and an energy-saving night mode. This model is ideal for a range of domestic and light commercial applications. A simple one-button interface makes operation straightforward, while built-in electrical and thermal protection ensures safety and reliability in all conditions.
Designed for modern water circulation systems, the BritTherm Circulator Pump B3 Series B3 25/4-130 offers intuitive functionality with nine intelligent modes to meet diverse system requirements. AUTO mode dynamically selects the most efficient setting based on current demand, while CP1 and CP2 maintain constant pressure across varying flow rates. PP1 and PP2 automatically adjust pressure in proportion to changes in flow, providing tailored performance.
Three traditional fixed-speed settings are available for manual control, and night mode reduces power usage to just 5 watts during low-demand periods. With electrical and thermal protection included, the pump defends against overheating and voltage issues. Its 130mm length makes it compact and installation-friendly, perfect for space-conscious environments.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 9 intelligent modes including AUTO, CP1, CP2, PP1, and PP2 ✅ Night mode reduces energy usage to just 5W ✅ Three fixed speeds for manual operation ✅ Easy-to-use single-button interface ✅ Constant and proportional pressure settings ✅ Smart adaptability to flow rate and system demands ✅ Compact 130mm body for straightforward fitting ✅ Electrical and thermal protection built in ✅ Ideal for domestic or light commercial use ✅ Optimised for potable water circulation and recirculation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-4-130-661996902-p23682</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-4-130-661996902-p23682</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B3 Series B3 25/5-130 (661996905)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-5-130-661996905-p23684"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748445347-21141700.jpg" alt="BritTherm Сirculator Pump B3 Series B3 25/5-130 (661996905)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-5-130-661996905-p23684">BritTherm Сirculator Pump B3 Series B3 25/5-130 (661996905)</a></p>
<p>The BritTherm B3 25/5-130 Circulator Pump is a high-performance, intelligent pump designed for the efficient circulation and recirculation of potable water in residential and light commercial systems. With 9 built-in modes—AUTO, three fixed speeds, two constant pressure, two proportional pressure, and a night mode—it delivers adaptable operation tailored to system demands. Measuring 130mm in length, it is easy to install and offers dependable performance backed by advanced electrical and thermal protection.
The BritTherm Circulator Pump B3 25/5-130 delivers advanced automation in a compact 130mm format, perfect for modern plumbing and heating systems. AUTO mode intelligently determines the most efficient operating parameters, while constant pressure (CP1 and CP2) and proportional pressure (PP1 and PP2) settings allow you to maintain consistent system flow and pressure with minimal manual input.
Three fixed speed options give manual control when needed, and the energy-saving night mode reduces consumption to just 5 watts during low-demand periods. Designed with integrated electrical and thermal safety systems, the B3 25/5-130 helps prevent damage from system faults, making it a reliable choice for maintaining water circulation across various applications.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 9 intelligent modes including AUTO, CP, and PP ✅ Night mode for energy savings down to 5W ✅ Three fixed speed settings for manual operation ✅ Proportional and constant pressure control ✅ Compact 130mm body for easier installation ✅ One-button interface for quick adjustments ✅ Integrated electrical and thermal protection ✅ Designed for potable water circulation ✅ Suitable for domestic and light commercial use ✅ Reliable and energy-efficient operation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-5-130-661996905-p23684</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-5-130-661996905-p23684</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B3 Series B3 25/6-130 (661996908)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-6-130-661996908-p23686"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748445407-36963500.jpg" alt="BritTherm Сirculator Pump B3 Series B3 25/6-130 (661996908)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-6-130-661996908-p23686">BritTherm Сirculator Pump B3 Series B3 25/6-130 (661996908)</a></p>
<p>The BritTherm B3 25/6-130 Circulator Pump is a versatile, energy-efficient pump designed for the circulation and recirculation of potable water in domestic and commercial heating systems. Featuring 9 intelligent operating modes—including AUTO, constant pressure, proportional pressure, and night mode—this pump adapts effortlessly to system demands. Its compact 130mm size and integrated safety protections make it a reliable and user-friendly solution for modern water circulation needs.
The BritTherm Circulator Pump B3 25/6-130 is an advanced automatic pump engineered to deliver efficient and adaptive circulation of potable water. It offers nine built-in modes: three fixed speeds for manual control, AUTO mode which automatically adjusts performance based on system conditions, two constant pressure modes (CP1 and CP2), and two proportional pressure modes (PP1 and PP2) that respond dynamically to flow changes.
The pump also includes a night mode, reducing energy consumption to just 5 watts during low-demand periods without compromising system integrity. Its electrical and thermal protection systems guard against failures caused by external factors, ensuring durability and peace of mind for users. Perfect for both residential and light commercial applications, this pump blends smart technology with robust safety features.
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Features &amp;amp; Benefits: ✅ 9 intelligent modes including AUTO, CP, and PP ✅ Compact 130mm body ideal for various system sizes ✅ Energy-saving night mode cuts consumption to 5W ✅ Three fixed speeds for manual operation ✅ Constant and proportional pressure modes for precise control ✅ Easy single-button mode selection ✅ Built-in electrical and thermal protection ✅ Suitable for potable water circulation and recirculation ✅ Reliable and quiet performance ✅ Ideal for domestic and commercial heating systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-6-130-661996908-p23686</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-6-130-661996908-p23686</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B3 Series B3 25/7-130 (661996911)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-7-130-661996911-p23688"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748445472-78480300.jpg" alt="BritTherm Сirculator Pump B3 Series B3 25/7-130 (661996911)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-7-130-661996911-p23688">BritTherm Сirculator Pump B3 Series B3 25/7-130 (661996911)</a></p>
<p>The BritTherm B3 25/7-130 Circulator Pump is a cutting-edge automatic pump designed for efficient circulation and recirculation of potable water. Featuring nine intelligent modes, including AUTO, fixed speeds, constant and proportional pressure settings, plus an energy-saving night mode, this 130mm pump adapts seamlessly to your system&amp;rsquo;s demands, providing optimal performance while conserving energy.
The BritTherm Circulator Pump B3 25/7-130 brings advanced intelligence to water circulation with nine built-in modes designed to meet the specific needs of potable water systems. Users can choose from three fixed speeds for manual control or select AUTO mode for automatic optimisation of the pump&amp;rsquo;s operating range.
Two constant pressure modes (CP1 and CP2) maintain stable pressure in circulation and recirculation, regardless of flow rate changes. Additionally, two proportional pressure modes (PP1 and PP2) adjust pump output in proportion to flow variations, ensuring efficient, precise operation. The night mode reduces power consumption to a mere 5 watts during low-demand periods, maintaining system integrity with minimal energy use.
This pump also features electrical and thermal protection systems that safeguard against breakdowns caused by external conditions unrelated to pump operation, ensuring durability and reliable performance in domestic and commercial heating systems.
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Features &amp;amp; Benefits: ✅ Nine intelligent operating modes for adaptable performance ✅ Compact 130mm design suitable for varied installations ✅ Energy-saving night mode reducing power to 5 watts ✅ Three fixed speeds for easy manual selection ✅ Constant pressure modes ensure steady system pressure ✅ Proportional pressure modes adjust pump flow efficiently ✅ One-button activation for simple mode switching ✅ Electrical and thermal protection for long-lasting reliability ✅ Ideal for potable water circulation and recirculation ✅ Quiet, dependable operation for residential and commercial use</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-7-130-661996911-p23688</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-25-7-130-661996911-p23688</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B3 Series B3 32/10-180 (661996914)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-10-180-661996914-p23690"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748445537-27406500.jpg" alt="BritTherm Сirculator Pump B3 Series B3 32/10-180 (661996914)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-10-180-661996914-p23690">BritTherm Сirculator Pump B3 Series B3 32/10-180 (661996914)</a></p>
<p>The BritTherm B3 32/10-180 Circulator Pump is a modern, automatic pump designed to optimise potable water circulation and recirculation with nine intelligent operating modes. Its large 180mm size suits demanding systems, while energy-saving features like the night mode ensure efficient operation and reduced power consumption.
The BritTherm Circulator Pump B3 32/10-180 combines cutting-edge technology with user-friendly functionality to provide reliable water circulation for potable systems. Featuring nine intelligent modes, this pump adapts to varying system requirements for optimal performance.
Users can select three fixed speeds for straightforward manual operation or engage AUTO mode for automated adjustment of the pump&amp;rsquo;s operating range. The two constant pressure modes (CP1 and CP2) maintain steady pressure in circulation and recirculation systems, irrespective of flow rate changes. Meanwhile, two proportional pressure modes (PP1 and PP2) respond dynamically to flow rate fluctuations, ensuring energy-efficient operation tailored to system demands.
A special night mode limits energy use to just 5 watts during low-demand periods, preserving system quality without excessive running. The pump also features electrical and thermal protection systems to guard against damage caused by external factors unrelated to pump operation, enhancing safety and longevity.
Ideal for larger potable water systems requiring precise control and energy efficiency, this 180mm pump delivers dependable, quiet, and intelligent circulation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Large 180mm pump suitable for demanding installations ✅ Nine intelligent operating modes for flexible control ✅ Energy-saving night mode reduces consumption to 5 watts ✅ Three fixed speeds for manual selection ✅ Constant pressure modes maintain system stability ✅ Proportional pressure modes adapt to flow changes ✅ Simple one-button AUTO mode for automatic adjustment ✅ Electrical and thermal protection for enhanced durability ✅ Designed for potable water circulation and recirculation ✅ Quiet and reliable for commercial and domestic use</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-10-180-661996914-p23690</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-10-180-661996914-p23690</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B3 Series B3 32/12-180 (661996915)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-12-180-661996915-p23691"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748445567-93406900.jpg" alt="BritTherm Сirculator Pump B3 Series B3 32/12-180 (661996915)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-12-180-661996915-p23691">BritTherm Сirculator Pump B3 Series B3 32/12-180 (661996915)</a></p>
<p>The BritTherm B3 32/12-180 Circulator Pump is a state-of-the-art automatic pump offering nine intelligent operating modes for efficient circulation and recirculation of potable water. Its 180mm size is perfect for larger systems, combining adaptability with energy-saving features such as a low-power night mode to ensure system efficiency and reliability.
The BritTherm Circulator Pump B3 32/12-180 is engineered to provide precise, automatic control of potable water circulation. Equipped with nine intelligent modes, this pump adapts seamlessly to system requirements, optimising performance and energy consumption.
Users can manually select from three fixed speeds, or opt for the innovative AUTO mode which automatically finds the best operating range for the pump. Two constant pressure modes (CP1 and CP2) maintain consistent pressure levels across circulation and recirculation systems regardless of flow fluctuations. Two proportional pressure modes (PP1 and PP2) finely adjust pump operation in line with changes in flow rate, ensuring optimal energy efficiency and system performance.
The night operating mode drastically reduces power usage to 5 watts during periods of low demand, maintaining system quality without unnecessary running. Safety is enhanced by electrical and thermal protection systems, preventing pump damage caused by external factors unrelated to normal operation.
Ideal for larger potable water systems needing adaptable, intelligent circulation with low energy costs, the B3 32/12-180 is a reliable choice for both commercial and residential applications.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Suitable for large-scale potable water circulation (180mm size) ✅ Nine intelligent operating modes for versatile control ✅ Energy-efficient night mode reduces consumption to 5 watts ✅ Three fixed speeds for traditional manual control ✅ Constant pressure modes ensure system stability ✅ Proportional pressure modes optimise flow-dependent performance ✅ One-button AUTO mode for automatic operation adjustment ✅ Electrical and thermal protection for enhanced durability ✅ Quiet, reliable pump for commercial and domestic use ✅ Designed specifically for potable water circulation and recirculation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-12-180-661996915-p23691</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-12-180-661996915-p23691</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B3 Series B3 32/8-180 (661996913)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-8-180-661996913-p23692"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748445609-10060300.jpg" alt="BritTherm Сirculator Pump B3 Series B3 32/8-180 (661996913)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-8-180-661996913-p23692">BritTherm Сirculator Pump B3 Series B3 32/8-180 (661996913)</a></p>
<p>The BritTherm B3 32/8-180 Circulator Pump is a modern, intelligent pump designed for the circulation and recirculation of potable water in larger systems. Featuring nine advanced operating modes, it adapts effortlessly to system needs while offering energy-efficient options, including a night mode that reduces power consumption to just 5 watts during low-demand periods.
The BritTherm Circulator Pump B3 32/8-180 offers intelligent, automatic control for potable water circulation and recirculation. It features nine built-in operating modes, allowing users to tailor the pump&#039;s performance to the specific demands of their water supply system.
Users can choose between three fixed speeds for straightforward manual operation or engage the AUTO mode, which automatically selects the optimal operating range based on real-time system conditions. Two constant pressure modes (CP1 and CP2) maintain steady pressure irrespective of flow rate changes, while two proportional pressure modes (PP1 and PP2) adjust pump performance dynamically according to flow variations.
The pump also includes a night operating mode, which lowers energy consumption to a mere 5 watts, preserving system quality during times of low use. Robust electrical and thermal protection safeguards the pump from damage caused by external factors unrelated to its operation, ensuring longevity and reliability.
This 180mm pump is ideal for larger potable water systems requiring adaptable, efficient circulation with intelligent control and energy-saving features.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Suitable for larger potable water systems (180mm size) ✅ Nine intelligent operating modes for versatile performance ✅ Energy-saving night mode reduces consumption to 5 watts ✅ Three fixed speeds for manual speed selection ✅ Constant pressure modes for stable system operation ✅ Proportional pressure modes for flow-responsive adjustments ✅ One-button AUTO mode for automatic optimisation ✅ Electrical and thermal protection for durability ✅ Quiet and reliable operation for commercial and domestic use ✅ Designed for potable water circulation and recirculation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-8-180-661996913-p23692</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b3-series-b3-32-8-180-661996913-p23692</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B4 Series B4 25/4-180 (661999003)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-4-180-661999003-p23698"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748448499-80726500.png" alt="BritTherm Сirculator Pump B4 Series B4 25/4-180 (661999003)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-4-180-661999003-p23698">BritTherm Сirculator Pump B4 Series B4 25/4-180 (661999003)</a></p>
<p>The BritTherm B4 25/4-180 Circulator Pump offers powerful and intelligent circulation of cold and hot potable water in a longer 180mm format. Designed for modern water systems, this advanced pump includes 9 automatic modes, including AUTO, constant pressure, and proportional pressure settings. With built-in energy-saving night mode and robust thermal and electrical protection, it delivers efficient performance, reliability, and flexibility for both domestic and light commercial applications.
The BritTherm Circulator Pump B4 25/4-180 is engineered for superior water circulation in larger installations, with its 180mm body offering a longer reach for retrofit and extended pipework setups. Ideal for potable hot and cold water systems, it provides 9 operating modes to suit various system demands, including AUTO mode for adaptive control, two constant pressure settings (CP1 and CP2), and two proportional pressure settings (PP1 and PP2).
The traditional three-speed manual mode ensures versatility, while night mode cuts energy use to just 5 watts during off-peak hours. Built-in protection against thermal and electrical faults helps prolong pump life and prevent failures due to external power conditions. This 25mm circulator pump delivers high efficiency, smart performance, and user-friendly operation in any system requiring a longer pump length.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Extended 180mm body for longer pipe centres ✅ AUTO mode for automatic system optimisation ✅ Three manual speed settings for user control ✅ Constant pressure modes for steady operation ✅ Proportional pressure modes for system efficiency ✅ Night mode with ultra-low 5W consumption ✅ 25mm connections for larger bore pipework ✅ Suitable for both hot and cold potable water ✅ Integrated electrical and thermal protection ✅ Ideal for modern domestic and light commercial installs</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-4-180-661999003-p23698</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-4-180-661999003-p23698</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B4 Series B4 25/5-180 (661999006)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-5-180-661999006-p23700"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748448576-37323600.png" alt="BritTherm Сirculator Pump B4 Series B4 25/5-180 (661999006)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-5-180-661999006-p23700">BritTherm Сirculator Pump B4 Series B4 25/5-180 (661999006)</a></p>
<p>The BritTherm B4 25/5-180 Circulator Pump is a high-efficiency solution for potable water circulation in larger systems. Designed with a 180mm body length and 25mm connections, it combines traditional fixed-speed control with nine intelligent operating modes, including AUTO, constant pressure, and proportional pressure options. With built-in energy-saving features and protective mechanisms, this pump delivers reliable performance, especially where longer pump bodies are required for direct replacements.
The BritTherm Circulator Pump B4 25/5-180 is engineered for flexibility and long-lasting efficiency in heating and potable water systems. With its extended 180mm body, it is particularly suitable for direct replacement in installations requiring this size. Its 25mm ports support medium-head circulation applications, while the smart control system automatically adjusts performance for changing flow demands.
The pump offers three manual speed options, AUTO mode for self-adjusting operation, two constant pressure settings (CP1 and CP2), and two proportional pressure modes (PP1 and PP2). For additional efficiency, the Night Operating Mode reduces power use to just 5 watts when demand is low. Electrical and thermal protection safeguards the unit from voltage fluctuations and overheating, making it a dependable choice for modern plumbing systems.
Features &amp;amp; Benefits: ✅ Extended 180mm body ideal for replacement installations ✅ 25mm connections suitable for potable water circulation ✅ AUTO mode for intelligent, hands-free performance ✅ Three selectable fixed speeds ✅ Two constant pressure modes (CP1, CP2) ✅ Two proportional pressure modes (PP1, PP2) ✅ Night mode lowers energy usage to 5W ✅ Smooth and quiet operation ✅ Overheat and electrical protection included ✅ Simple, intuitive push-button controls</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-5-180-661999006-p23700</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-5-180-661999006-p23700</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B4 Series B4 25/6-180 (661999009)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-6-180-661999009-p23702"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748448650-25771800.png" alt="BritTherm Сirculator Pump B4 Series B4 25/6-180 (661999009)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-6-180-661999009-p23702">BritTherm Сirculator Pump B4 Series B4 25/6-180 (661999009)</a></p>
<p>The BritTherm B4 25/6-180 Circulator Pump is a high-efficiency, smart circulator pump built for systems that require a longer 180mm body. With 9 intelligent operating modes and a medium-high head output, this pump ensures optimal flow, minimal energy usage, and automatic adjustment to demand. Ideal for both domestic and commercial potable water applications, it delivers dependable performance while protecting against electrical and thermal faults.
Built with advanced engineering, the BritTherm Circulator Pump B4 25/6-180 is a smart, adaptive solution designed for circulating hot or cold potable water in residential and commercial heating systems. With a 25mm inlet/outlet and an extended 180mm body, it&amp;rsquo;s perfect for larger pump housings or installations where extra clearance is required.
Its 9 operating modes cover everything from traditional fixed speed settings to intelligent AUTO mode, ensuring consistent and efficient flow across various load conditions. Constant and proportional pressure settings help stabilise the system based on flow demands, while night mode cuts energy consumption to a low 5W during off-peak periods. Built-in protection systems safeguard against overheating or electrical issues, delivering peace of mind with every install.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 180mm long body ideal for larger pump setups ✅ 25mm ports suitable for hot or cold potable water ✅ Intelligent AUTO mode adjusts to system needs ✅ Traditional fixed speed control (three settings) ✅ Two constant pressure modes (CP1 &amp;amp; CP2) ✅ Two proportional pressure modes (PP1 &amp;amp; PP2) ✅ Energy-saving night mode (5W operation) ✅ Smart thermal and electrical safety features ✅ Quiet operation with smooth flow performance ✅ One-touch control panel for easy adjustments</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-6-180-661999009-p23702</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-6-180-661999009-p23702</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump B4 Series B4 25/7-180 (661999012)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-7-180-661999012-p23704"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748448713-02901800.png" alt="BritTherm Сirculator Pump B4 Series B4 25/7-180 (661999012)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-7-180-661999012-p23704">BritTherm Сirculator Pump B4 Series B4 25/7-180 (661999012)</a></p>
<p>The BritTherm B4 25/7-180 Circulator Pump is an advanced, intelligent pump designed for efficient circulation and recirculation of clean potable water. Equipped with nine smart operating modes, including AUTO and pressure control settings, it adapts to your water system&amp;rsquo;s requirements. Suitable for both hot and cold potable water, this pump offers energy-saving features and robust protection, ensuring reliable and cost-effective performance in modern water supply systems.
The BritTherm Circulator Pump B4 25/7-180 is a highly versatile pump built for domestic and commercial water circulation needs. Its 25mm connection and extended 180mm body length provide excellent flow capacity and pressure head, making it ideal for systems requiring enhanced performance.
This pump offers three fixed speeds for manual operation, plus an intelligent AUTO mode that automatically selects the optimal operating range for your circulation or recirculation system. It also includes two constant pressure modes (CP1 and CP2) and two proportional pressure modes (PP1 and PP2), allowing precise control based on flow demands. The Night Mode significantly reduces energy consumption to just 5 watts during low-demand periods, improving efficiency and lowering running costs.
With built-in electrical and thermal protection, the pump safeguards against damage from external faults unrelated to system operation. Its easy one-button controls and quiet running make it an excellent choice for modern potable water circulation systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm size with 180mm body length for enhanced flow ✅ Nine intelligent operating modes for system adaptability ✅ Three fixed speed settings for manual control ✅ AUTO mode for automatic optimisation ✅ Constant pressure modes (CP1 &amp;amp; CP2) for stable operation ✅ Proportional pressure modes (PP1 &amp;amp; PP2) for flow-based adjustment ✅ Energy-saving Night Mode reduces power to 5 watts ✅ Electrical and thermal protection for reliable safety ✅ Suitable for hot and cold potable water circulation ✅ Simple, one-button operation for user convenience</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-7-180-661999012-p23704</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-7-180-661999012-p23704</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S1 Series S1 25/4-130 (661999102)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s1-series-s1-25-4-130-661999102-p23707"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748450884-31579200.jpg" alt="BritTherm Сirculator Pump S1 Series S1 25/4-130 (661999102)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s1-series-s1-25-4-130-661999102-p23707">BritTherm Сirculator Pump S1 Series S1 25/4-130 (661999102)</a></p>
<p>The BritTherm S1 25/4-130 Circulator Pump is a reliable, classic three-speed pump designed for the circulation and recirculation of cold and hot potable water. Its robust stainless steel EN1.4521 casing provides excellent corrosion resistance, making it suitable for demanding water systems. Manual speed selection via a mechanical switch offers simple and precise control across the pump&amp;rsquo;s full power range.
The BritTherm Circulator Pump S1 25/4-130 delivers proven performance for circulating potable water in heating and water supply systems. Its 25mm size and 130mm body length suit a wide variety of domestic and commercial applications where dependable water circulation is essential.
Featuring three fixed speeds, this pump allows manual adjustment through a mechanical switch, enabling users to select the appropriate power level for the system&amp;rsquo;s demands. The stainless steel EN1.4521 casing ensures durability and resistance to corrosion, prolonging pump life and maintaining efficiency.
Built-in electrical and thermal protection systems safeguard the pump from faults unrelated to its normal operation, enhancing reliability and reducing the risk of breakdown. The S1 Series pump&amp;rsquo;s straightforward design and trusted construction make it ideal for clean water circulation and recirculation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 25mm connection with 130mm body length for versatile installation ✅ Manual three-speed control via mechanical switch for user-friendly operation ✅ Durable stainless steel EN1.4521 casing for corrosion resistance ✅ Suitable for circulating cold and hot potable water ✅ Electrical and thermal protection to prevent damage ✅ Time-tested design for reliable water recirculation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s1-series-s1-25-4-130-661999102-p23707</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s1-series-s1-25-4-130-661999102-p23707</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S2 Series S2 12/10-162 (661999202)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-10-162-661999202-p23711"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748521610-43515700.png" alt="BritTherm Сirculator Pump S2 Series S2 12/10-162 (661999202)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-10-162-661999202-p23711">BritTherm Сirculator Pump S2 Series S2 12/10-162 (661999202)</a></p>
<p>The BritTherm S2 12/10-162 Circulator Pump is a reliable booster pump designed specifically for use with water tanks to ensure a stable and consistent water supply. Built with a durable stainless steel EN1.4521 casing, it features dual automatic operation modes to suit domestic plumbing needs. The pump is fitted with a ¾&quot; threaded connection for easy installation and includes an integrated check valve for efficient backflow prevention.
The BritTherm Circulator Pump S2 Series S2 12/10-162 offers an intelligent solution for boosting water supply from tanks, maintaining consistent pressure and flow for household consumption. Constructed from high-quality stainless steel EN1.4521, this pump is engineered to withstand the rigours of everyday use and resist corrosion.
It provides two operational programmes: Manual Mode, where the pump runs continuously until manually switched off, and AUTO Mode, which intelligently detects water flow and pressure changes, activating the pump automatically when taps open and shutting off when they close. This automatic feature ensures energy efficiency and convenience.
The pump includes an integrated check valve within the casing, preventing backflow and maintaining system integrity. Electrical and thermal protection systems safeguard the pump from breakdowns caused by external faults unrelated to normal operation, ensuring reliable performance and longevity.
Ideal for use with drinking water tanks, the BritTherm S2 12/10-162 enhances domestic water systems by stabilising pressure and flow for a smooth water supply.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Durable stainless steel EN1.4521 casing for long-lasting performance ✅ Dual operation modes: Manual and AUTO for flexible control ✅ Automatic start/stop based on flow and pressure changes in AUTO mode ✅ Integrated check valve prevents backflow ✅ ¾&quot; threaded connection for simple installation ✅ Electrical and thermal protection systems for pump safety ✅ Ideal for boosting water supply from tanks in domestic plumbing</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-10-162-661999202-p23711</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-10-162-661999202-p23711</link>
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          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S2 Series S2 12/9-160 (661999201)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-9-160-661999201-p23712"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748521714-38678100.png" alt="BritTherm Сirculator Pump S2 Series S2 12/9-160 (661999201)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-9-160-661999201-p23712">BritTherm Сirculator Pump S2 Series S2 12/9-160 (661999201)</a></p>
<p>The BritTherm S2 12/9-160 Circulator Pump is designed to work efficiently with water tanks, drawing water directly to maintain a stable and reliable supply. Made with a robust stainless steel EN1.4521 casing, this pump offers two operational modes—Manual and AUTO—tailored for domestic plumbing systems. It features a convenient ¾&quot; threaded connection and an integrated check valve to prevent backflow.
The BritTherm Circulator Pump S2 Series S2 12/9-160 provides a dependable solution for boosting water supply from tanks in residential settings. Constructed from corrosion-resistant stainless steel EN1.4521, the pump is built to deliver durability and consistent performance.
This model operates in two modes: Manual Mode, where the pump runs continuously at a fixed shaft rotation speed until switched off, and AUTO Mode, which automatically activates when water flow is detected (e.g., when a tap is opened) and stops when the flow ceases. This feature optimises energy use and system efficiency.
Equipped with an integrated check valve within the pump casing, it effectively prevents water backflow, protecting the system. The pump&amp;rsquo;s automation is easily controlled by a single button, providing simple start/stop operation based on water flow and pressure changes. Electrical and thermal protection systems ensure safe operation and help avoid damage caused by external factors unrelated to normal pump function.
Ideal for use with drinking water tanks, the BritTherm S2 12/9-160 stabilises water pressure and flow, delivering smooth and reliable water supply throughout the home.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Stainless steel EN1.4521 casing for strength and corrosion resistance ✅ Dual operational modes: Manual and AUTO for flexible control ✅ AUTO mode responds to tap opening and closing for energy efficiency ✅ Integrated check valve to prevent backflow ✅ ¾&quot; threaded connection for easy installation ✅ One-button automation for start/stop control ✅ Electrical and thermal protection for enhanced pump safety ✅ Suitable for boosting water supply from domestic tanks</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-9-160-661999201-p23712</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-12-9-160-661999201-p23712</link>
            </item>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S2 Series S2 20/12-200 (661999203)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-20-12-200-661999203-p23713"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748521813-58968600.png" alt="BritTherm Сirculator Pump S2 Series S2 20/12-200 (661999203)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-20-12-200-661999203-p23713">BritTherm Сirculator Pump S2 Series S2 20/12-200 (661999203)</a></p>
<p>The BritTherm S2 20/12-200 Circulator Pump is designed for use with water tanks, drawing water directly to maintain a steady and reliable supply. Made from durable stainless steel EN1.4521, this pump offers two operational modes—Manual and AUTO—suitable for domestic plumbing systems. It features a ¾&quot; threaded connection and an integrated check valve to prevent backflow and ensure system integrity.
The BritTherm Circulator Pump S2 Series S2 20/12-200 is a high-quality booster pump constructed from corrosion-resistant stainless steel EN1.4521, ideal for domestic use with water tanks. This pump is engineered to provide consistent water flow and pressure by drawing water directly from storage tanks.
It operates in two modes: Manual Mode, where the pump runs continuously at a fixed shaft rotation speed until switched off, and AUTO Mode, which activates automatically when a tap is opened and stops when it is closed. This smart feature optimises energy consumption and water supply efficiency.
The pump includes an integrated check valve to prevent water backflow, safeguarding the plumbing system. A simple one-button control activates the automatic function, providing reliable start/stop operation based on flow and pressure demands. Electrical and thermal protection systems enhance pump safety, reducing the risk of breakdowns due to external factors unrelated to normal pump use.
Perfect for boosting potable water from tanks, the BritTherm S2 20/12-200 ensures a stable water supply throughout the home with ease and reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Stainless steel EN1.4521 casing for enhanced durability and corrosion resistance ✅ Dual operating modes: Manual and AUTO for versatile control ✅ AUTO mode activates with tap opening and deactivates on closure ✅ Integrated check valve prevents backflow and protects the system ✅ Standard ¾&quot; threaded connection for easy installation ✅ One-button automation for simple start/stop operation ✅ Electrical and thermal protection for safe and reliable use ✅ Ideal for boosting water supply from domestic water tanks</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-20-12-200-661999203-p23713</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s2-series-s2-20-12-200-661999203-p23713</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S3 Series S3 25/4-130 (661999302)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-4-130-661999302-p23718"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748530302-27736700.jpg" alt="BritTherm Сirculator Pump S3 Series S3 25/4-130 (661999302)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-4-130-661999302-p23718">BritTherm Сirculator Pump S3 Series S3 25/4-130 (661999302)</a></p>
<p>The BritTherm S3 25/4-130 Circulator Pump is a smart, automatic pump designed for efficient circulation and recirculation of clean potable water. Featuring a robust stainless steel EN1.4521 casing, it offers nine intelligent operating modes to suit various water system demands. Its flexible control options include manual fixed speeds, AUTO mode, constant and proportional pressure modes, plus an energy-saving night mode, ensuring optimal performance and reliability.
The BritTherm Circulator Pump S3 Series S3 25/4-130 is a modern and intelligent pump engineered for circulation and recirculation of clean potable water. Constructed with a stainless steel EN1.4521 casing, it combines durability with high performance.
This pump provides nine versatile operating modes, allowing it to adapt to a wide range of water supply system requirements. Users can select from three fixed speeds for traditional operation, or activate AUTO mode to let the pump automatically adjust to the system&#039;s optimal performance range.
Additionally, two constant pressure modes (CP1 and CP2) maintain stable pressure regardless of flow rate, while two proportional pressure modes (PP1 and PP2) adjust pump output in response to flow changes, ensuring efficiency and system protection.
The Night Operating Mode lowers energy consumption to just 5 watts during low-demand periods, balancing energy efficiency with consistent system quality.
Safety is paramount, with electrical and thermal protection mechanisms preventing damage from external faults unrelated to normal pump operation. The BritTherm S3 25/4-130 is ideal for intelligent water circulation systems requiring adaptable, efficient, and reliable pumping solutions.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Durable stainless steel EN1.4521 casing ✅ Nine intelligent operating modes for versatile control ✅ Three fixed speeds for manual operation ✅ AUTO mode for automatic optimisation of pump performance ✅ Constant pressure modes (CP1 and CP2) for stable pressure maintenance ✅ Proportional pressure modes (PP1 and PP2) for flow-responsive adjustments ✅ Energy-saving Night mode reduces power to 5 watts ✅ One-button operation for user convenience ✅ Electrical and thermal protection for enhanced pump safety ✅ Suitable for potable water circulation and recirculation systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-4-130-661999302-p23718</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-4-130-661999302-p23718</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S3 Series S3 25/5-130 (661999305)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-5-130-661999305-p23720"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748530361-10353800.jpg" alt="BritTherm Сirculator Pump S3 Series S3 25/5-130 (661999305)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-5-130-661999305-p23720">BritTherm Сirculator Pump S3 Series S3 25/5-130 (661999305)</a></p>
<p>The BritTherm S3 25/5-130 Circulator Pump offers advanced, automatic operation for efficient circulation and recirculation of clean potable water. Built with a stainless steel EN1.4521 casing, this pump features nine intelligent operating modes, including three fixed speeds, AUTO mode, constant and proportional pressure settings, and a low-energy night mode. It adapts seamlessly to varying water system demands, ensuring reliable, energy-efficient performance.
The BritTherm Circulator Pump S3 Series S3 25/5-130 is engineered to provide smart, automatic water circulation and recirculation in potable water systems. Its robust stainless steel EN1.4521 casing ensures long-lasting durability and corrosion resistance.
This model includes nine intelligent operating modes designed to suit diverse plumbing and water supply requirements. Users can choose from three fixed speeds for manual control or activate AUTO mode, which intelligently selects the optimal pump performance based on system needs.
Two constant pressure modes (CP1 and CP2) maintain stable pressure regardless of flow fluctuations, while two proportional pressure modes (PP1 and PP2) adapt pump operation proportionally to changes in flow rate, maximising efficiency.
The Night Operating Mode significantly lowers energy use to just 5 watts during periods of reduced demand, preserving system integrity without wasting power.
Electrical and thermal protection systems help safeguard the pump against damage caused by external faults unrelated to normal operation, enhancing reliability and lifespan. The BritTherm S3 25/5-130 is ideal for modern potable water circulation systems seeking smart, adaptable, and energy-efficient pumping solutions.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Stainless steel EN1.4521 casing for durability and corrosion resistance ✅ Nine intelligent operating modes for flexible control ✅ Three fixed speeds for manual operation ✅ AUTO mode for automatic system optimisation ✅ Constant pressure modes (CP1 and CP2) for pressure stability ✅ Proportional pressure modes (PP1 and PP2) for flow-responsive performance ✅ Energy-saving Night mode with just 5-watt power consumption ✅ One-button activation for ease of use ✅ Electrical and thermal protection for pump safety ✅ Suitable for potable water circulation and recirculation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-5-130-661999305-p23720</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-5-130-661999305-p23720</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S3 Series S3 25/6-130 (661999308)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-6-130-661999308-p23722"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748530479-23914500.jpg" alt="BritTherm Сirculator Pump S3 Series S3 25/6-130 (661999308)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-6-130-661999308-p23722">BritTherm Сirculator Pump S3 Series S3 25/6-130 (661999308)</a></p>
<p>The BritTherm S3 25/6-130 Circulator Pump delivers powerful, intelligent performance for the circulation and recirculation of clean potable water. With a durable stainless steel EN1.4521 body and nine advanced operating modes, this pump adapts seamlessly to varying system requirements. It combines high efficiency, quiet operation, and enhanced safety, making it ideal for residential and commercial systems alike.
Designed for modern water systems, the BritTherm Circulator Pump S3 Series S3 25/6-130 is built with precision and intelligence at its core. The stainless steel EN1.4521 casing offers outstanding corrosion resistance, making it suitable for potable water systems that demand reliability and hygiene.
With nine operating modes, this pump provides complete flexibility. Users can select from three fixed speed settings for traditional control or utilise the AUTO mode, where the pump dynamically adjusts to suit system demands. Constant pressure modes (CP1 and CP2) maintain a steady flow irrespective of system fluctuations, while proportional pressure modes (PP1 and PP2) fine-tune performance relative to flow rate changes.
The Night Mode reduces energy usage to just 5 watts during off-peak hours, preserving efficiency while reducing operating costs. Built-in electrical and thermal protection safeguards the pump from faults unrelated to its internal systems, ensuring long-term durability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Robust stainless steel EN1.4521 construction ✅ Nine intelligent operating modes ✅ Manual control via three fixed speeds ✅ Smart AUTO mode for system-matched efficiency ✅ Constant pressure modes (CP1 and CP2) for steady flow ✅ Proportional pressure modes (PP1 and PP2) for demand-based adjustment ✅ Night Mode cuts power use to 5W during low-demand periods ✅ Simple one-touch operation ✅ Integrated thermal and electrical protection ✅ Suitable for clean potable water circulation systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-6-130-661999308-p23722</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-6-130-661999308-p23722</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S3 Series S3 25/7-130 (661999311)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-7-130-661999311-p23724"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748530611-18405100.jpg" alt="BritTherm Сirculator Pump S3 Series S3 25/7-130 (661999311)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-7-130-661999311-p23724">BritTherm Сirculator Pump S3 Series S3 25/7-130 (661999311)</a></p>
<p>The BritTherm S3 25/7-130 Circulator Pump combines innovative design with advanced efficiency. Crafted with a stainless steel EN1.4521 casing and equipped with nine operating modes, this smart pump is ideal for both circulation and recirculation of clean potable water. The 130mm body and high-head performance make it suitable for more demanding installations, offering energy savings and customisable operation in every setting.
Designed to meet modern water circulation challenges, the BritTherm Circulator Pump S3 Series S3 25/7-130 delivers powerful, intelligent control in a compact 130mm format. Built with corrosion-resistant stainless steel EN1.4521 and equipped with nine advanced modes, including AUTO, fixed speeds, and constant/proportional pressure options, it adapts dynamically to real-time system requirements.
This model also features an energy-saving Night Mode that lowers consumption to just 5 watts during periods of low demand, while its built-in electrical and thermal protection ensures system safety against external issues. Whether used in a new build or retrofit system, the S3 25/7-130 is an ideal solution for maintaining reliable flow and pressure across potable water systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ High-head performance with 130mm body ✅ Stainless steel EN1.4521 casing for durability ✅ 9 intelligent operating modes for precise control ✅ Traditional 3-speed &amp;ldquo;Old School&amp;rdquo; settings ✅ AUTO mode for system-adaptive performance ✅ Constant pressure modes (CP1 &amp;amp; CP2) for stable output ✅ Proportional pressure modes (PP1 &amp;amp; PP2) to match demand ✅ Night Mode cuts energy use to 5W ✅ Integrated thermal and electrical protection ✅ Suitable for potable water circulation in varied systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-7-130-661999311-p23724</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s3-series-s3-25-7-130-661999311-p23724</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S4 Series S4 25/4-180 (661999403)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-4-180-661999403-p23731"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748539118-33304900.png" alt="BritTherm Сirculator Pump S4 Series S4 25/4-180 (661999403)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-4-180-661999403-p23731">BritTherm Сirculator Pump S4 Series S4 25/4-180 (661999403)</a></p>
<p>The BritTherm S4 25/4-180 Circulator Pump offers intelligent circulation for potable water systems, designed with a longer 180mm body and 1&quot; BSP connections. With 9 smart operating modes including AUTO, constant pressure, and proportional pressure settings, this pump ensures efficient, reliable performance tailored to system demand. It&amp;rsquo;s housed in durable stainless steel and features electrical and thermal protection for long-term safety.
The BritTherm Circulator Pump S4 25/4-180 is built for installers and engineers looking for efficiency, flexibility, and dependability in potable water circulation. Its extended 180mm length makes it ideal for replacing pumps in systems with longer fixing centres. With nine intelligent operating modes, including energy-saving AUTO and Night Mode, the pump dynamically adjusts to varying flow demands without manual recalibration.
It features three &amp;ldquo;Old School&amp;rdquo; fixed-speed settings, two constant pressure (CP1, CP2), and two proportional pressure (PP1, PP2) modes for advanced control. Constructed with an EN1.4521 stainless steel casing, it&amp;rsquo;s safe for potable water use and protected against overheating and electrical faults. Whether you&#039;re fitting new or retrofitting existing pipework, this pump is a top-tier solution.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 180mm pump length with 1&quot; BSP connections ✅ Hygienic EN1.4521 stainless steel construction ✅ 9 smart operation modes including AUTO and Night Mode ✅ Classic 3-speed manual control option ✅ Constant pressure settings: CP1 &amp;amp; CP2 ✅ Proportional pressure settings: PP1 &amp;amp; PP2 ✅ Night Mode lowers energy use to 5W ✅ Built-in electrical and thermal protection ✅ Ideal for potable water circulation systems ✅ Excellent for both domestic and light commercial use</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-4-180-661999403-p23731</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-4-180-661999403-p23731</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S4 Series S4 25/5-180 (661999406)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-5-180-661999406-p23733"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748539169-87377800.png" alt="BritTherm Сirculator Pump S4 Series S4 25/5-180 (661999406)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-5-180-661999406-p23733">BritTherm Сirculator Pump S4 Series S4 25/5-180 (661999406)</a></p>
<p>The BritTherm S4 25/5-180 Circulator Pump delivers smart, efficient performance for potable water circulation systems. With a 180mm body length and 1½&quot; BSP connections, it is ideal for larger installations or replacements requiring extended centre spacing. The pump features nine intelligent operating modes including AUTO, constant pressure, and proportional pressure, designed to adapt to system needs while saving energy. A durable stainless steel casing makes it safe for drinking water applications.
Designed for efficient circulation and recirculation of clean potable water, the BritTherm Circulator Pump S4 25/5-180 brings together intelligent technology and robust construction. The unit is equipped with 9 versatile modes to suit all system demands, from constant and proportional pressure settings to energy-saving AUTO and Night Modes.
Its EN1.4521 stainless steel casing ensures hygienic water contact, while built-in thermal and electrical protection safeguards the pump against operational faults. The 180mm length suits wider pipework layouts, making it perfect for installations with specific spacing requirements. Quiet, adaptable and low-maintenance, this pump is an essential component for modern water systems.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 180mm body length with 1½&quot; BSP connections ✅ EN1.4521 stainless steel suitable for drinking water ✅ 9 operation modes, including AUTO and Night Mode ✅ Three manual fixed-speed settings for flexibility ✅ Constant pressure control: CP1 &amp;amp; CP2 ✅ Proportional pressure adjustment: PP1 &amp;amp; PP2 ✅ Energy-saving Night Mode drops usage to 5W ✅ Thermal and electrical safety protection ✅ Quiet, smart, and durable pump design ✅ Ideal for larger or retrofit installations</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-5-180-661999406-p23733</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-5-180-661999406-p23733</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S4 Series S4 25/6-130 (661999408)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-6-130-661999408-p23734"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748539197-49027900.png" alt="BritTherm Сirculator Pump S4 Series S4 25/6-130 (661999408)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-6-130-661999408-p23734">BritTherm Сirculator Pump S4 Series S4 25/6-130 (661999408)</a></p>
<p>The BritTherm S4 25/6-130 Circulator Pump is engineered for reliable and energy-efficient circulation of clean potable water in domestic and commercial systems. With a 130mm body and stainless steel EN1.4521 casing, it&amp;rsquo;s suitable for safe drinking water applications. This intelligent pump offers 9 advanced operating modes, including AUTO, constant pressure, and proportional pressure settings, making it adaptable to system demands while optimising performance and energy use.
Designed with both versatility and energy efficiency in mind, the BritTherm Circulator Pump S4 25/6-130 features a high-performance stainless steel casing and a compact 130mm body length, perfect for tight spaces. With 9 operating modes—including three manual speed settings, two constant pressure modes (CP1 and CP2), and two proportional pressure modes (PP1 and PP2)—the pump can be finely tuned to suit system requirements.
AUTO mode uses intelligent logic to adapt pump speed automatically, while Night Mode reduces power consumption to just 5 watts during low-demand hours. The integrated electrical and thermal protection systems help prevent operational failures, ensuring long-lasting performance in demanding environments.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ 130mm compact design for versatile installation ✅ EN1.4521 stainless steel casing for potable water use ✅ 9 intelligent operating modes including AUTO ✅ Manual speed control with three fixed settings ✅ Constant pressure modes (CP1 &amp;amp; CP2) ✅ Proportional pressure modes (PP1 &amp;amp; PP2) ✅ Energy-saving Night Mode (5W operation) ✅ Built-in thermal and electrical protection ✅ Quiet, durable, and efficient operation ✅ Suitable for domestic and light commercial use</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-6-130-661999408-p23734</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-6-130-661999408-p23734</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S4 Series S4 25/7-130 (661999411)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-7-130-661999411-p23736"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748539270-42657000.png" alt="BritTherm Сirculator Pump S4 Series S4 25/7-130 (661999411)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-7-130-661999411-p23736">BritTherm Сirculator Pump S4 Series S4 25/7-130 (661999411)</a></p>
<p>The BritTherm S4 25/7-130 Circulator Pump is a cutting-edge, automatic pump designed for the circulation and recirculation of clean potable water. Featuring a durable stainless steel EN1.4521 casing and a compact 130mm length, this pump is ideal for modern water supply systems. With nine intelligent operating modes, including AUTO, fixed speeds, constant and proportional pressure settings, it optimises performance while reducing energy consumption.
The BritTherm Circulator Pump S4 25/7-130 provides intelligent and efficient circulation for potable water systems. Its robust stainless steel EN1.4521 casing ensures long-lasting durability and suitability for potable water applications. The pump includes nine versatile modes to suit different system requirements: three fixed speeds, two constant pressure modes (CP1 and CP2), two proportional pressure modes (PP1 and PP2), AUTO mode for automatic optimisation, and a low-power Night mode that reduces energy use to 5 watts.
Equipped with electrical and thermal protection, this pump safeguards against damage from external factors unrelated to normal operation. Its adaptable performance and energy-saving features make it a reliable choice for both domestic and light commercial water circulation needs.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Compact 130mm length for versatile installation ✅ EN1.4521 stainless steel casing – potable water safe ✅ Nine intelligent operating modes for adaptable performance ✅ Three fixed-speed options for manual control ✅ Constant pressure modes (CP1 &amp;amp; CP2) maintain system stability ✅ Proportional pressure modes (PP1 &amp;amp; PP2) respond to flow changes ✅ AUTO mode for optimised energy efficiency ✅ Night mode reduces power use to just 5W ✅ Electrical and thermal protection for enhanced durability ✅ Quiet operation with reliable performance</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-7-130-661999411-p23736</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s4-series-s4-25-7-130-661999411-p23736</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S5 Series S5 25/10-180 (661999503)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-10-180-661999503-p23738"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748596749-07106100.png" alt="BritTherm Сirculator Pump S5 Series S5 25/10-180 (661999503)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-10-180-661999503-p23738">BritTherm Сirculator Pump S5 Series S5 25/10-180 (661999503)</a></p>
<p>The BritTherm S5 25/10-180 Circulator Pump is engineered for powerful, intelligent performance in high-demand commercial water systems. Its robust EN1.4521 stainless steel body and 13 selectable operating modes make it a premium choice for maintaining optimal flow and pressure in potable water systems. From constant speed to AUTO, constant pressure and proportional pressure modes, this pump adapts to the demands of complex systems while reducing energy usage and enhancing durability through built-in protections.
Ideal for commercial potable water circulation, the BritTherm Circulator Pump S5 Series S5 25/10-180 delivers top-tier performance and reliability. With a 180mm body crafted from EN1.4521 stainless steel, this pump resists corrosion and supports hygienic water supply operations.
It features 13 programmable modes including four constant rotor speed settings, AUTO mode for hands-free optimisation, four constant pressure settings, and four proportional pressure modes that respond dynamically to demand changes. These advanced features help to reduce operating costs while improving system stability and responsiveness. Built-in thermal and electrical protections guard against system faults, ensuring consistent and reliable operation in demanding commercial settings.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Durable stainless steel EN1.4521 casing for potable water use ✅ 180mm body length suitable for commercial installations ✅ 13 user-selectable modes for complete control ✅ AUTO mode optimises performance and energy savings ✅ Four constant speed modes for reliable flow ✅ Four CP settings maintain constant pressure ✅ Four PP settings respond to changing system demand ✅ Electrical protection to prevent overload ✅ Thermal protection to avoid overheating ✅ Ideal for large-scale potable water applications</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-10-180-661999503-p23738</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-10-180-661999503-p23738</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S5 Series S5 25/8-180 (661999501)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-8-180-661999501-p23739"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748596566-46593000.png" alt="BritTherm Сirculator Pump S5 Series S5 25/8-180 (661999501)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-8-180-661999501-p23739">BritTherm Сirculator Pump S5 Series S5 25/8-180 (661999501)</a></p>
<p>The BritTherm S5 25/8-180 Circulator Pump is a powerful, high-tech solution tailored for commercial potable water circulation systems. Constructed with a stainless steel EN1.4521 casing, it offers 13 intelligent operating modes, including four constant speed settings, four constant pressure modes, four proportional pressure options, and an adaptive AUTO mode. This 180mm pump is ideal for high-demand water supply applications where reliability, control, and performance are critical.
Built for commercial reliability, the BritTherm Circulator Pump S5 Series S5 25/8-180 is a heavy-duty, intelligent pump designed for potable water circulation in complex water supply systems. Housed in a durable EN1.4521 stainless steel body, this 180mm pump features a full suite of 13 operating modes, allowing precise adaptation to system requirements.
Operators can manually choose from four fixed rotor speeds for steady flow or enable one of four constant pressure (CP2–CP5) or four proportional pressure (PP2–PP5) modes that dynamically respond to demand. The AUTO mode optimises performance automatically, reducing energy use without sacrificing pressure. Electrical and thermal protection systems ensure long-term safety and resilience, making the S5 Series a trusted choice for commercial installations.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Robust EN1.4521 stainless steel construction ✅ Designed for commercial potable water systems ✅ 180mm pump length for broader installation compatibility ✅ 13 intelligent operating modes for system flexibility ✅ AUTO mode for smart, energy-efficient performance ✅ Four fixed rotor speeds for constant flow control ✅ Four CP modes for stable pressure regardless of demand ✅ Four PP modes for dynamic, demand-based operation ✅ Electrical protection prevents overload and faults ✅ Thermal protection safeguards against overheating</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-8-180-661999501-p23739</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-25-8-180-661999501-p23739</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S5 Series S5 32/10-180 (661999504)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-10-180-661999504-p23740"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748597262-45158700.png" alt="BritTherm Сirculator Pump S5 Series S5 32/10-180 (661999504)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-10-180-661999504-p23740">BritTherm Сirculator Pump S5 Series S5 32/10-180 (661999504)</a></p>
<p>The BritTherm S5 32/10-180 Circulator Pump is built to perform in high-demand commercial potable water systems. With a corrosion-resistant EN1.4521 stainless steel body and an extended 180mm length, it delivers superior durability and power. This advanced pump offers 13 operating modes, including AUTO, constant speed, constant pressure, and proportional pressure settings—giving full control over system efficiency and performance. Safety is paramount, with thermal and electrical protection built in to prevent system faults.
Engineered for intensive commercial use, the BritTherm Circulator Pump S5 Series S5 32/10-180 delivers powerful circulation for potable water systems. The pump&amp;rsquo;s high-quality EN1.4521 stainless steel casing ensures hygienic operation and long-lasting durability.
With 13 intelligent operating modes, including four fixed-speed options for traditional performance, four constant pressure settings to maintain system stability, and four proportional pressure modes that automatically respond to changing flow demands, this pump adapts precisely to the needs of modern installations. The AUTO mode offers smart, energy-saving adjustments based on system conditions. Built-in thermal and electrical safeguards add an extra layer of reliability, making this pump ideal for continuous commercial operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ EN1.4521 stainless steel casing for hygienic potable water use ✅ 180mm body for commercial installations ✅ 13 flexible operating modes for system precision ✅ AUTO mode for energy-efficient optimisation ✅ Four fixed-speed modes for consistent flow ✅ Four constant pressure settings (CP2–CP5) ✅ Four proportional pressure settings (PP2–PP5) ✅ Electrical protection prevents damage from surges ✅ Thermal protection guards against overheating ✅ Suitable for demanding water supply systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-10-180-661999504-p23740</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-10-180-661999504-p23740</link>
            </item>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S5 Series S5 32/8-180 (661999502)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-8-180-661999502-p23741"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748596653-42671700.png" alt="BritTherm Сirculator Pump S5 Series S5 32/8-180 (661999502)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-8-180-661999502-p23741">BritTherm Сirculator Pump S5 Series S5 32/8-180 (661999502)</a></p>
<p>The BritTherm S5 32/8-180 Circulator Pump is a robust and intelligent solution engineered for commercial potable water supply systems. With a durable EN1.4521 stainless steel casing and 13 versatile operating modes, this 180mm pump provides exceptional performance and control. It features four constant speed modes, four constant pressure settings, four proportional pressure modes, and an energy-saving AUTO mode, making it ideal for demanding environments requiring consistent flow and smart efficiency.
Designed for high-demand commercial applications, the BritTherm Circulator Pump S5 Series S5 32/8-180 delivers unmatched performance and adaptability in potable water systems. Housed in a corrosion-resistant EN1.4521 stainless steel body, this advanced 180mm circulator offers 13 operating modes tailored for optimal control and energy efficiency.
Whether you&#039;re maintaining consistent flow with fixed speed settings or adapting dynamically to changes with constant or proportional pressure modes, this pump ensures reliable output. The AUTO mode intelligently selects the best settings for current system conditions, minimising power consumption without reducing effectiveness. Integrated electrical and thermal protection enhances durability, safeguarding the system from operational faults and external risks.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ EN1.4521 stainless steel construction for potable water use ✅ 180mm length suitable for commercial installations ✅ 13 intelligent operating modes for maximum flexibility ✅ AUTO mode for smart energy-saving performance ✅ Four fixed rotor speed modes for constant operation ✅ Four CP modes ensure stable system pressure ✅ Four PP modes adjust to variable system demands ✅ Built-in electrical protection against overloads ✅ Thermal protection to prevent overheating ✅ Ideal for complex potable water circulation systems</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-8-180-661999502-p23741</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s5-series-s5-32-8-180-661999502-p23741</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S6 Series S6 25/10-180 (661999601)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-10-180-661999601-p23742"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748595147-28866000.jpg" alt="BritTherm Сirculator Pump S6 Series S6 25/10-180 (661999601)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-10-180-661999601-p23742">BritTherm Сirculator Pump S6 Series S6 25/10-180 (661999601)</a></p>
<p>The BritTherm S6 25/10-180 Circulator Pump is a cutting-edge solution designed for high-performance potable water circulation systems. Featuring a robust stainless steel EN1.4521 casing and enhanced functionality, it includes 10 intelligent operating modes plus PWM GT and PWM ST functions for seamless integration with smart thermostats and controllers. With AUTO mode, fixed speeds, and both constant and proportional pressure settings, this 180mm pump offers unmatched flexibility, efficiency, and remote control capabilities for large-scale water and heating systems.
The BritTherm Circulator Pump S6 Series S6 25/10-180 sets a new standard for smart water circulation. Crafted with a corrosion-resistant stainless steel EN1.4521 casing, this pump is tailored for use in potable water systems, making it ideal for domestic and commercial installations. It offers 10 automatic operating modes, including three fixed speeds, AUTO mode for adaptive energy-efficient operation, constant pressure modes (CP1 and CP2), and proportional pressure modes (PP1 and PP2) to meet variable system demands.
Uniquely, the S6 Series introduces PWM GT and PWM ST control functions, enabling remote pump regulation via low-voltage signal. This allows direct integration with smart thermostats and building automation systems such as Siemens and Honeywell. Electrical and thermal protection ensures the pump remains safe from faults not caused by pump operation. This intelligent 180mm model is built for performance, connectivity, and reliability.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Stainless steel EN1.4521 casing for potable water use ✅ Extended 180mm body for versatile installations ✅ 10 automatic operating modes for optimal flexibility ✅ Three fixed speeds for precise manual control ✅ AUTO mode optimises energy usage and performance ✅ CP1 &amp;amp; CP2 modes maintain consistent system pressure ✅ PP1 &amp;amp; PP2 modes adapt output based on demand ✅ Built-in PWM GT and ST for remote thermostat control ✅ Compatible with Siemens, Honeywell and more ✅ Electrical and thermal protection for pump safety</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-10-180-661999601-p23742</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-10-180-661999601-p23742</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S6 Series S6 25/12-180 (661999603)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-12-180-661999603-p23743"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748599862-77468200.jpg" alt="BritTherm Сirculator Pump S6 Series S6 25/12-180 (661999603)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-12-180-661999603-p23743">BritTherm Сirculator Pump S6 Series S6 25/12-180 (661999603)</a></p>
<p>The BritTherm S6 25/12-180 Circulator Pump combines powerful performance with smart technology for potable water systems. Featuring an EN1.4521 stainless steel casing and 180mm body, it&#039;s built for high-capacity domestic and light commercial use. With 10 automatic operating modes—including AUTO, fixed speed, constant and proportional pressure—the pump adapts to any installation. Advanced PWM GT and PWM ST remote-control functions allow integration with popular control systems like Siemens and Honeywell, while built-in electrical and thermal protection ensures lasting reliability.
Designed for precision control and reliability, the BritTherm Circulator Pump S6 Series S6 25/12-180 is ideal for potable water circulation and recirculation. The stainless steel EN1.4521 housing provides corrosion resistance and suitability for drinking water systems, while the extended 180mm body supports higher capacity and greater flow rates.
With three selectable fixed speeds, AUTO mode, and both constant and proportional pressure options, this pump offers 10 smart operating modes tailored to any application. PWM GT and PWM ST technology enable remote speed and function control via low-voltage signals—compatible with leading systems like Siemens and Honeywell. Engineered for ease of use and reliability, the pump also includes built-in electrical and thermal protection to safeguard against external faults and overloads.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Stainless steel EN1.4521 casing for potable water use ✅ 180mm body supports higher flow rates ✅ 10 smart modes including AUTO, CP, and PP ✅ Three fixed-speed modes for full power range ✅ AUTO mode adapts to system demand automatically ✅ Two constant pressure settings (CP1 &amp;amp; CP2) ✅ Two proportional pressure settings (PP1 &amp;amp; PP2) ✅ PWM GT &amp;amp; ST functions for remote control compatibility ✅ Works with Siemens, Honeywell &amp;amp; similar systems ✅ Built-in thermal and electrical safety protection</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-12-180-661999603-p23743</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-12-180-661999603-p23743</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S6 Series S6 25/15-180 (661999605)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-15-180-661999605-p23744"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748600037-11078000.jpg" alt="BritTherm Сirculator Pump S6 Series S6 25/15-180 (661999605)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-15-180-661999605-p23744">BritTherm Сirculator Pump S6 Series S6 25/15-180 (661999605)</a></p>
<p>The BritTherm S6 25/15-180 Circulator Pump is a high-efficiency pump specifically engineered for potable water circulation and recirculation. Featuring a robust EN1.4521 stainless steel casing and a 180mm length, this pump offers versatile operation with 10 automatic modes, including AUTO, constant pressure, and proportional pressure settings. Its built-in PWM GT and PWM ST functions enable seamless integration with smart control systems like Siemens and Honeywell. With electrical and thermal protection included as standard, it ensures reliability, safety, and consistent performance in demanding applications.
The BritTherm Circulator Pump S6 25/15-180 is designed to meet the needs of modern potable water systems, offering outstanding versatility and control. Its stainless steel EN1.4521 body provides long-lasting corrosion resistance, making it suitable for continuous use in domestic and commercial settings.
This 180mm pump supports three fixed-speed levels, AUTO mode for adaptive performance, and both constant (CP1, CP2) and proportional pressure (PP1, PP2) operation. The inclusion of PWM GT and PWM ST functions allows it to be remotely managed using compatible thermostats or controllers, enhancing efficiency and integration with wider building systems. Ideal for recirculation loops and centralised water supply, the pump also benefits from advanced safety features such as thermal and electrical protection for dependable operation.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ Hygienic EN1.4521 stainless steel body for potable water use ✅ 180mm length with 1&quot; port connections for standard installations ✅ 10 automatic modes including AUTO, CP, and PP options ✅ Three fixed speeds for tailored performance control ✅ AUTO mode adjusts pump output to real-time demand ✅ Constant and proportional pressure settings optimise flow ✅ Built-in PWM GT &amp;amp; ST for remote frequency and control integration ✅ Compatible with Siemens, Honeywell, and other smart systems ✅ Electrical &amp;amp; thermal protection against external faults ✅ Designed for potable water circulation and recirculation</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-15-180-661999605-p23744</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-15-180-661999605-p23744</link>
            </item>
          <item>
              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>BritTherm Сirculator Pump S6 Series S6 25/18-180 (661999607)</title>
              <description><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-18-180-661999607-p23745"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1748600093-98100700.jpg" alt="BritTherm Сirculator Pump S6 Series S6 25/18-180 (661999607)"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-18-180-661999607-p23745">BritTherm Сirculator Pump S6 Series S6 25/18-180 (661999607)</a></p>
<p>The BritTherm S6 25/18-180 Circulator Pump offers a high-capacity and efficient solution for potable water circulation. Designed with a 180mm length and a corrosion-resistant stainless steel EN1.4521 casing, it&amp;rsquo;s ideal for demanding domestic and commercial systems. The pump features 10 automatic operating modes including AUTO, constant pressure, and proportional pressure settings. Built-in PWM GT and ST functions allow integration with external controllers like Honeywell and Siemens, enabling remote operation and frequency control. Safety is enhanced through dedicated electrical and thermal protection, making this pump a reliable and smart choice.
Built for performance and durability, the BritTherm Circulator Pump S6 25/18-180 is an advanced circulator pump specifically designed for potable water use. With a 180mm body and an EN1.4521 stainless steel casing, it ensures hygienic operation and long service life. The pump boasts a user-friendly control interface, offering three fixed speed settings and multiple automation options tailored to different system demands.
The inclusion of AUTO mode simplifies operation by automatically adjusting the pump to suit current flow and pressure requirements. Users can also choose between two constant pressure modes (CP1 &amp;amp; CP2) and two proportional pressure modes (PP1 &amp;amp; PP2) for optimal system performance. The integration of PWM GT and ST allows the pump to be remotely controlled by third-party controllers, making it suitable for intelligent building management systems. Its built-in electrical and thermal protection prevents damage caused by external electrical faults or overheating.
&amp;nbsp;
Features &amp;amp; Benefits: ✅ EN1.4521 stainless steel body ideal for potable water systems ✅ 180mm body length suits larger installations ✅ AUTO mode optimises pump performance automatically ✅ Three fixed speed levels for manual control ✅ CP1 &amp;amp; CP2 constant pressure modes maintain flow stability ✅ PP1 &amp;amp; PP2 proportional pressure modes for energy efficiency ✅ Integrated PWM GT &amp;amp; ST for smart remote control ✅ Compatible with Honeywell, Siemens, and more ✅ Electrical &amp;amp; thermal safety systems built in ✅ Perfect for circulation and recirculation applications</p></description>
              <guid>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-18-180-661999607-p23745</guid>
              <link>/heating-c6/pumps-c2136/brittherm-сirculator-pump-s6-series-s6-25-18-180-661999607-p23745</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>Instantor 771928 Universal Pump Head Replacement Kit - 8 Metre with Wilo PWM Adaptor Cable</title>
              <description><a href="/heating-c6/pumps-c2136/instantor-771928-universal-pump-head-replacement-kit-8-metre-with-wilo-pwm-adaptor-cable-p23221"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1730994372-83122600.jpg" alt="Instantor 771928 Universal Pump Head Replacement Kit - 8 Metre with Wilo PWM Adaptor Cable"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/instantor-771928-universal-pump-head-replacement-kit-8-metre-with-wilo-pwm-adaptor-cable-p23221">Instantor 771928 Universal Pump Head Replacement Kit - 8 Metre with Wilo PWM Adaptor Cable</a></p>
<p>The Instantor Universal Pump Head Replacement Kit (771928) is an 8-metre, high-performance, energy-efficient replacement solution compatible with various boiler systems. This modulating pump, complete with a Wilo PWM adaptor cable, offers flexible control settings to maximise boiler efficiency. Its features include a 31.6L/min flow rate, multiple pressure modes, and eco-friendly operation. This pump kit also includes all necessary accessories for simple installation and is compliant with ErP energy standards.</p></description>
              <guid>/heating-c6/pumps-c2136/instantor-771928-universal-pump-head-replacement-kit-8-metre-with-wilo-pwm-adaptor-cable-p23221</guid>
              <link>/heating-c6/pumps-c2136/instantor-771928-universal-pump-head-replacement-kit-8-metre-with-wilo-pwm-adaptor-cable-p23221</link>
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              <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
              <title>Instantor 771929 Universal Pump Head Replacement Kit - 8 Metre CCW with Grundfos Adaptor Cable</title>
              <description><a href="/heating-c6/pumps-c2136/instantor-771929-universal-pump-head-replacement-kit-8-metre-ccw-with-grundfos-adaptor-cable-p23222"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1730994440-86452700.jpg" alt="Instantor 771929 Universal Pump Head Replacement Kit - 8 Metre CCW with Grundfos Adaptor Cable"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/instantor-771929-universal-pump-head-replacement-kit-8-metre-ccw-with-grundfos-adaptor-cable-p23222">Instantor 771929 Universal Pump Head Replacement Kit - 8 Metre CCW with Grundfos Adaptor Cable</a></p>
<p>The Instantor Universal Pump Head Replacement Kit – 8 Metre CCW (771948) with Wilo and Grundfos adaptor cables provides a high-performance solution for various heating systems. This modulating pump offers control flexibility with multiple settings and pulse width modulation (PWM) compatibility. Designed for easy retrofit in most applications, it enhances boiler efficiency, delivering a quiet, energy-efficient operation with an Energy Efficiency Index (EEI) of ≤ 0.23. The kit includes all necessary installation components and is fully ErP compliant.</p></description>
              <guid>/heating-c6/pumps-c2136/instantor-771929-universal-pump-head-replacement-kit-8-metre-ccw-with-grundfos-adaptor-cable-p23222</guid>
              <link>/heating-c6/pumps-c2136/instantor-771929-universal-pump-head-replacement-kit-8-metre-ccw-with-grundfos-adaptor-cable-p23222</link>
            </item>
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              <pubDate>Tue, 06 Oct 2026 14:18:36 +0100</pubDate>
              <title>Pumphouse High Temperature Condensate Pump</title>
              <description><a href="/heating-c6/pumps-c2136/pumphouse-high-temperature-condensate-pump-p26158"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1791292685-45322300.png" alt="Pumphouse High Temperature Condensate Pump"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/pumphouse-high-temperature-condensate-pump-p26158">Pumphouse High Temperature Condensate Pump</a></p>
<p>The Pumphouse High Temperature Condensate Pump is designed for applications where condensate needs to be removed from high temperature heating and cooling equipment. Also known as the Pump House PH-3.8L-HW, this condensate pump provides a practical solution where gravity drainage is not suitable or available. Its high temperature design makes it suitable for applications producing hotter condensate, providing plumbers, heating engineers and installers with a convenient option for managing condensate discharge. It is a useful addition to professional heating and HVAC installations where reliable condensate removal is required.</p></description>
              <guid>/heating-c6/pumps-c2136/pumphouse-high-temperature-condensate-pump-p26158</guid>
              <link>/heating-c6/pumps-c2136/pumphouse-high-temperature-condensate-pump-p26158</link>
            </item>
          <item>
              <pubDate>Thu, 08 Oct 2026 02:05:05 +0100</pubDate>
              <title>Todays Tools Pump Head Power Flush Adaptor 10112030 APH</title>
              <description><a href="/heating-c6/pumps-c2136/todays-tools-pump-head-power-flush-adaptor-10112030-aph-p15941"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1737540083-92570100.jpg" alt="Todays Tools Pump Head Power Flush Adaptor 10112030 APH"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/todays-tools-pump-head-power-flush-adaptor-10112030-aph-p15941">Todays Tools Pump Head Power Flush Adaptor 10112030 APH</a></p>
<p>The Todays Tools Pump Head Power Flush Adaptor APH is designed to provide a direct connection between a Pro Power Flusher and the body of standard circulating heating pumps. Compatible with popular pump brands including Grundfos and Wilo, this adaptor offers a practical and efficient solution for central heating power flushing applications.</p></description>
              <guid>/heating-c6/pumps-c2136/todays-tools-pump-head-power-flush-adaptor-10112030-aph-p15941</guid>
              <link>/heating-c6/pumps-c2136/todays-tools-pump-head-power-flush-adaptor-10112030-aph-p15941</link>
            </item>
          <item>
              <pubDate>Thu, 08 Oct 2026 16:31:38 +0100</pubDate>
              <title>Trappex Expansion Vessel Bracket</title>
              <description><a href="/heating-c6/pumps-c2136/trappex-expansion-vessel-bracket-p21065"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="https://www.macdonaldplumbingsupplies.com/images/products/thumbnails/1709631540-67910600.png" alt="Trappex Expansion Vessel Bracket"  class="lazyload" /></a>
<p><a href="/heating-c6/pumps-c2136/trappex-expansion-vessel-bracket-p21065">Trappex Expansion Vessel Bracket</a></p>
<p>Securely and precisely connect your expansion vessel to your heating system with the Trappex Expansion Vessel Bracket. Designed for installations with limited space, this bracket ensures reliable support and functionality for expansion vessels ranging from 2 to 25 litres.</p></description>
              <guid>/heating-c6/pumps-c2136/trappex-expansion-vessel-bracket-p21065</guid>
              <link>/heating-c6/pumps-c2136/trappex-expansion-vessel-bracket-p21065</link>
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