BritTherm Automatic Сirculator Pump P4 Series P4 25/8-130 (661995610)

The BritTherm P4 25/8-130 Circulator Pump delivers powerful performance and high-efficiency circulation for larger heating systems. With an 8-metre head and compact 130mm body length, it's perfect for high-demand domestic and light commercial installations. Its integrated PWM function ensures compatibility with smart controls, while 11 operating modes make it highly versatile for any HVAC application, including HIUs, heat pumps, and boilers. Engineered for maximum performance and system flexibility, the BritTherm P4 25/8-130 is a robust circulator pump with a high 8-metre head, ideal for demanding applications such as large heating zones, multi-floor systems, and energy-efficient upgrades. Its 25mm connections and standard 130mm body length make installation simple, while the advanced control options cater to both traditional and modern setups. The pump features AUTO mode, three fixed-speed modes, three constant pressure settings, and three proportional pressure modes. Whether you're maintaining consistent flow in underfloor systems or managing pressure in complex radiator layouts, this pump adapts effortlessly. The PWM control capability allows remote frequency adjustment via low-voltage cables, integrating smoothly with thermostats and controllers from leading brands like Honeywell and Siemens. Built-in thermal and electrical protection safeguards against damage from power fluctuations or system anomalies.   Features & Benefits: ✅ High-performance 8-metre head for demanding heating systems ✅ Compact 130mm body for standard pump replacements ✅ 11 intelligent work modes, including AUTO and pressure-based settings ✅ PWM-compatible for smart controls and home automation systems ✅ Suitable for underfloor heating, radiators, HIUs, and heat pumps ✅ One-button operation simplifies setup and control ✅ Thermal and electrical protection for extended reliability ✅ Versatile integration with modern and legacy systems ✅ Whisper-quiet operation for noise-sensitive environments ✅ Manufactured to BritTherm’s high standards for long-term durability

BritTherm Automatic Сirculator Pump P4 Series P4 25/8-180 (661995611)

The BritTherm P4 25/8-180 Circulator Pump is a high-efficiency solution designed for large-capacity heating systems. With a powerful 8-metre head and extended 180mm body, this model is ideal for larger pipework installations requiring maximum flow and flexibility. Featuring 11 intelligent operating modes and full PWM control compatibility, it integrates seamlessly with modern heating systems including HIUs, boilers, and heat pumps. Designed for high-output systems, the BritTherm P4 25/8-180 provides robust circulation across all types of HVAC applications. Its 180mm body and 25mm connections are perfect for commercial or large-scale domestic systems where a longer pump body is required for retrofit or design compliance. With an impressive 8-metre head, the P4 25/8-180 delivers reliable performance in complex installations such as multi-zone heating and underfloor layouts. The AUTO mode suits most heating systems, while the constant and proportional pressure settings ensure optimal efficiency across varying flow demands. Equipped with PWM control, this pump connects to low-voltage thermostat systems from brands like Siemens and Honeywell, enabling smart, responsive control. Built-in electrical and thermal protection features provide peace of mind against power faults and overheating, helping maintain pump integrity over time.   Features & Benefits: ✅ Extended 180mm body for larger pipework configurations ✅ High 8-metre head ideal for demanding heating systems ✅ 11 programmable modes including AUTO and pressure control options ✅ PWM-compatible for smart home and commercial system integration ✅ Perfect for underfloor heating, radiators, HIUs, and energy-efficient upgrades ✅ Simple one-button operation for quick setup and adjustments ✅ Thermal and electrical protection enhances system safety ✅ Compatible with leading control systems including Siemens and Honeywell ✅ Silent operation, suitable for domestic or commercial settings ✅ Engineered by BritTherm for long-term reliability and performance

BritTherm Automatic Сirculator Pump P1 Series P1 25/6-180 (661995308)

The BritTherm P1 25/6-180 Circulator Pump is built for heating systems that demand higher head pressure and consistent circulation. With a 180mm body length and 1" connections, it offers four intelligent modes, including an AUTO setting for adaptive energy use. The pump features three fixed-speed options and a night mode that drops power consumption to just 5 watts. Safety is ensured with integrated electrical and thermal protection. Designed for high-performance residential and light commercial heating systems, the BritTherm Automatic Circulator Pump P1 25/6-180 combines energy efficiency with robust delivery. The 6-metre head capability makes it ideal for systems with greater resistance or multiple radiators, while the 180mm pump length ensures compatibility with standard installations. The intuitive AUTO mode allows the pump to respond automatically to system requirements, delivering the right flow while minimising power usage. Users can also choose from three fixed-speed settings for traditional control. The built-in night mode further enhances efficiency, reducing energy draw to only 5 watts when demand is low. With its compact yet powerful design, this model is protected against overheating and electrical faults, offering both safety and longevity. Whether upgrading or installing new, the P1 25/6-180 is a reliable choice for system optimisation.   Features & Benefits: ✅ 6-metre head height for high-resistance systems ✅ 180mm body length with standard 1" BSP connections ✅ Intelligent AUTO mode for energy savings ✅ Three fixed-speed settings for manual control ✅ Night power reduction mode to 5W ✅ Electrical and thermal protection for safety ✅ Low-noise operation ✅ One-button operation for simple setup

BritTherm Automatic Сirculator Pump P1 Series P1 25/6-130 (661995307)

The BritTherm P1 25/6-130 Circulator Pump offers powerful performance with a 6-metre head and a compact 130mm body length, making it ideal for space-conscious heating systems. Featuring four built-in operation modes, including an intelligent AUTO mode, this pump automatically adapts to your system's needs for maximum efficiency and comfort. It also boasts a low-energy night mode and built-in electrical and thermal protection for reliable and safe operation. Designed for domestic and commercial heating systems requiring efficient circulation and adaptability, the BritTherm Automatic Circulator Pump P1 25/6-130 delivers dependable performance with ease of use. The pump’s 6-metre head capacity ensures strong flow even in systems with multiple radiators or higher resistance. Users can select from three fixed speeds or rely on the smart AUTO mode, which dynamically adjusts pump operation to maintain comfort while reducing energy consumption. The automatic night power reduction function further lowers electricity use to just 5 watts during low demand periods, helping reduce running costs. Built with safety in mind, this pump includes electrical and thermal protection features to prevent damage from external issues, ensuring longevity and peace of mind. The compact 130mm design makes it a versatile choice for a range of heating system installations.   Features & Benefits: ✅ 6-metre head for powerful circulation ✅ Compact 130mm length with standard 1" BSP connections ✅ Intelligent AUTO mode for adaptive energy efficiency ✅ Three fixed speeds for manual control ✅ Night mode reduces power consumption to 5W ✅ Electrical and thermal protection for durability ✅ Quiet operation suitable for residential use ✅ Easy one-button operation