<rss version="2.0">
            <channel>
    <title>BritTherm  from MacDonald Plumbing &amp; Heating Supplies</title>
    <link>http://www.macdonaldplumbingsupplies.com/rss/1/productlistings_rss/m38::panel</link>
    <description></description>
    <copyright>Copyright 2026 MacDonald Plumbing &amp; Heating Supplies</copyright>
    <language>en</language>
    <lastBuildDate>Thu, 01 Oct 2026 20:20:27 +0100</lastBuildDate>
    <pubDate>Thu, 01 Oct 2026 20:20:27 +0100</pubDate>
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              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-сirculator-pump-b4-series-b4-25-6-180-661999009-p23702-68006_thumb.jpg" alt="BritTherm Сirculator Pump B4 Series B4 25/6-180 (661999009)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-6-180-661999009-p23702</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-сirculator-pump-b4-series-b4-25-6-180-661999009-p23702</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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p3-series-p3-15-4-130-661995501-p23575-67621_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 15/4-130 (661995501)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-15-4-130-661995501-p23575</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-130-661995503-p23579-67627_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/4-130 (661995503)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-130-661995503-p23579</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-180-661995503-p23580-67632_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/4-180 (661995503)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-4-180-661995503-p23580</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-130-661995506-p23581-67757_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/5-130 (661995506)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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.
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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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-130-661995506-p23581</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-180-661995507-p23582-67761_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/5-180 (661995507)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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.
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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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-5-180-661995507-p23582</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-130-661995510-p23583-67765_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/6-130 (661995510)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-130-661995510-p23583</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-180-661995511-p23584-67769_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P3 Series P3 25/6-180 (661995511)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p3-series-p3-25-6-180-661995511-p23584</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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 P4 Series P4 25/4-130 (661995602)</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p4-series-p4-25-4-130-661995602-p23594-67793_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P4 Series P4 25/4-130 (661995602)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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.
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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>
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