<rss version="2.0">
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    <title>Pumps  from MacDonald Plumbing &amp; Heating Supplies</title>
    <link>http://www.macdonaldplumbingsupplies.com/rss/1/productlistings_rss/c2136::motor</link>
    <description></description>
    <copyright>Copyright 2026 MacDonald Plumbing &amp; Heating Supplies</copyright>
    <language>en</language>
    <lastBuildDate>Sat, 24 Oct 2026 02:05:05 +0100</lastBuildDate>
    <pubDate>Sat, 24 Oct 2026 02:05:05 +0100</pubDate>
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              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h2-series-h2-15-6-661996402-p23761-68129_thumb.jpg" alt="BritTherm Replacement Pump Head H2 Series H2 15/6 (661996402)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h2-series-h2-15-6-661996402-p23761</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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 H1 Series H1 15/6 (661996302)</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h1-series-h1-15-6-661996302-p23760-68127_thumb.jpg" alt="BritTherm Replacement Pump Head H1 Series H1 15/6 (661996302)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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.
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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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h1-series-h1-15-6-661996302-p23760</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h1-series-h1-15-6-661996302-p23760</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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h3-series-h3-25-4-661996502-p23651-67641_thumb.jpg" alt="BritTherm Replacement Pump Head H3 Series H3 25/4 (661996502)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-4-661996502-p23651</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h3-series-h3-25-6-661996505-p23652-67918_thumb.jpg" alt="BritTherm Replacement Pump Head H3 Series H3 25/6 (661996505)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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.
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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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-6-661996505-p23652</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h3-series-h3-25-8-661996508-p23653-67920_thumb.jpg" alt="BritTherm Replacement Pump Head H3 Series H3 25/8 (661996508)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h3-series-h3-25-8-661996508-p23653</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h4-series-h4-25-4-661996602-p23660-68121_thumb.jpg" alt="BritTherm Replacement Pump Head H4 Series H4 25/4 (661996602)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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.
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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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-4-661996602-p23660</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h4-series-h4-25-6-661996605-p23661-67930_thumb.jpg" alt="BritTherm Replacement Pump Head H4 Series H4 25/6 (661996605)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-6-661996605-p23661</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-replacement-pump-head-h4-series-h4-25-8-661996608-p23662-67932_thumb.jpg" alt="BritTherm Replacement Pump Head H4 Series H4 25/8 (661996608)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-replacement-pump-head-h4-series-h4-25-8-661996608-p23662</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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 Automatic Сirculator Pump P6 Series P6 32/15-180 (661995806)</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p6-series-p6-32-15-180-661995806-p23629-67879_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P6 Series P6 32/15-180 (661995806)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-15-180-661995806-p23629</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p6-series-p6-32-15-180-661995806-p23629</link>
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          <item>
              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p7-series-p7-25-10-180-661995903-p23631-67883_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 25/10-180 (661995903)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-10-180-661995903-p23631</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-10-180-661995903-p23631</link>
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              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p7-series-p7-25-8-180-661995901-p23632-67885_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 25/8-180 (661995901)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-8-180-661995901-p23632</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-25-8-180-661995901-p23632</link>
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              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p7-series-p7-32-10-180-661995904-p23633-67887_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 32/10-180 (661995904)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-10-180-661995904-p23633</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-10-180-661995904-p23633</link>
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          <item>
              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p7-series-p7-32-8-180-661995902-p23634-67889_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P7 Series P7 32/8-180 (661995902)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-8-180-661995902-p23634</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p7-series-p7-32-8-180-661995902-p23634</link>
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              <pubDate>Sat, 24 Oct 2026 02:05:05 +0100</pubDate>
              <title>BritTherm Automatic Сirculator Pump P8 Series P8 40/12 (661996001)</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p8-series-p8-40-12-661996001-p23635-67891_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P8 Series P8 40/12 (661996001)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-40-12-661996001-p23635</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p8-series-p8-50-12-661996002-p23636-67894_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P8 Series P8 50/12 (661996002)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-50-12-661996002-p23636</guid>
              <link>http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/brittherm-automatic-сirculator-pump-p8-series-p8-65-12-661996003-p23637-67897_thumb.jpg" alt="BritTherm Automatic Сirculator Pump P8 Series P8 65/12 (661996003)"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-65-12-661996003-p23637</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/brittherm-automatic-сirculator-pump-p8-series-p8-65-12-661996003-p23637</link>
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          <item>
              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/instantor-771928-universal-pump-head-replacement-kit-8-metre-with-wilo-pwm-adaptor-cable-p23221-67045_thumb.jpg" alt="Instantor 771928 Universal Pump Head Replacement Kit - 8 Metre with Wilo PWM Adaptor Cable"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/instantor-771928-universal-pump-head-replacement-kit-8-metre-with-wilo-pwm-adaptor-cable-p23221</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/instantor-771928-universal-pump-head-replacement-kit-8-metre-with-wilo-pwm-adaptor-cable-p23221</link>
            </item>
          <item>
              <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="http://www.macdonaldplumbingsupplies.com/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="http://www.macdonaldplumbingsupplies.com/images/instantor-771929-universal-pump-head-replacement-kit-8-metre-ccw-with-grundfos-adaptor-cable-p23222-67046_thumb.jpg" alt="Instantor 771929 Universal Pump Head Replacement Kit - 8 Metre CCW with Grundfos Adaptor Cable"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/instantor-771929-universal-pump-head-replacement-kit-8-metre-ccw-with-grundfos-adaptor-cable-p23222</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/instantor-771929-universal-pump-head-replacement-kit-8-metre-ccw-with-grundfos-adaptor-cable-p23222</link>
            </item>
          <item>
              <pubDate>Sat, 24 Oct 2026 02:05:05 +0100</pubDate>
              <title>Trappex Expansion Vessel Bracket</title>
              <description><a href="http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/trappex-expansion-vessel-bracket-p21065"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-src="http://www.macdonaldplumbingsupplies.com/images/trappex-expansion-vessel-bracket-p21065-42506_thumb.jpg" alt="Trappex Expansion Vessel Bracket"  class="lazyload" /></a>
<p><a href="http://www.macdonaldplumbingsupplies.com/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>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/trappex-expansion-vessel-bracket-p21065</guid>
              <link>http://www.macdonaldplumbingsupplies.com/heating-c6/pumps-c2136/trappex-expansion-vessel-bracket-p21065</link>
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