BritTherm Replacement Pump Head H3 Series H3 25/6 (661996505)

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’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 “smart home” setups. It offers 11 automatic work programmes alongside 3 fixed-speed options (“Old School”), 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.   Features & 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

BritTherm Automatic Сirculator Pump P7 Series P7 25/8-180 (661995901)

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.   Features & 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

BritTherm Automatic Сirculator Pump P8 Series P8 50/12 (661996002)

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.   Features & 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

BritTherm Automatic Сirculator Pump P2 Series P2 25/4-130 (661995402)

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.   Features & Benefits: ✅ 4-metre head suitable for light to moderate resistance systems ✅ Compact 130mm length with standard 1" BSP connections ✅ Nine automatic operation modes for versatile control ✅ AUTO mode covers 80% of heating system types ✅ Two constant pressure modes (CP1 & CP2) for stable pressure ✅ Two proportional pressure modes (PP1 & 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