BritTherm Сirculator Pump S6 Series S6 25/18-180 (661999607)

The BritTherm S6 25/18-180 Circulator Pump offers a high-capacity and efficient solution for potable water circulation. Designed with a 180mm length and a corrosion-resistant stainless steel EN1.4521 casing, it’s ideal for demanding domestic and commercial systems. The pump features 10 automatic operating modes including AUTO, constant pressure, and proportional pressure settings. Built-in PWM GT and ST functions allow integration with external controllers like Honeywell and Siemens, enabling remote operation and frequency control. Safety is enhanced through dedicated electrical and thermal protection, making this pump a reliable and smart choice. Built for performance and durability, the BritTherm Circulator Pump S6 25/18-180 is an advanced circulator pump specifically designed for potable water use. With a 180mm body and an EN1.4521 stainless steel casing, it ensures hygienic operation and long service life. The pump boasts a user-friendly control interface, offering three fixed speed settings and multiple automation options tailored to different system demands. The inclusion of AUTO mode simplifies operation by automatically adjusting the pump to suit current flow and pressure requirements. Users can also choose between two constant pressure modes (CP1 & CP2) and two proportional pressure modes (PP1 & PP2) for optimal system performance. The integration of PWM GT and ST allows the pump to be remotely controlled by third-party controllers, making it suitable for intelligent building management systems. Its built-in electrical and thermal protection prevents damage caused by external electrical faults or overheating.   Features & Benefits: ✅ EN1.4521 stainless steel body ideal for potable water systems ✅ 180mm body length suits larger installations ✅ AUTO mode optimises pump performance automatically ✅ Three fixed speed levels for manual control ✅ CP1 & CP2 constant pressure modes maintain flow stability ✅ PP1 & PP2 proportional pressure modes for energy efficiency ✅ Integrated PWM GT & ST for smart remote control ✅ Compatible with Honeywell, Siemens, and more ✅ Electrical & thermal safety systems built in ✅ Perfect for circulation and recirculation applications

BritTherm Сirculator Pump B2 Series B2 12/9-160 (661996801)

The BritTherm B2 12/9-160 Booster Pump is a smart, compact solution designed to draw water from storage tanks and deliver consistent pressure to your taps, showers, and appliances. It features AUTO and Manual operating modes, a built-in check valve, and one-touch programming for ease of use. Perfect for homes with low water pressure or systems fed by storage tanks, this pump also includes built-in electrical and thermal protection for safety and durability. The BritTherm Circulator Pump B2 Series B2 12/9-160 is a reliable booster pump built for household use, particularly in systems supplied by storage tanks. It boosts water pressure for various outlets, such as taps and showers, by drawing directly from the tank. Its compact and efficient design makes it suitable for both new and retrofit plumbing installations. The pump includes two modes: Manual Mode for continuous operation and AUTO Mode, which detects water flow to switch the pump on or off automatically. A built-in check valve within the casing ensures smooth operation by preventing backflow. The simple one-button AUTO programme makes it easy to set up, saving time and reducing the need for manual control. With integrated electrical and thermal safety features, this pump protects against overloads and overheating, delivering dependable performance for everyday use.   Features & Benefits: ✅ Ideal for tank-fed systems in homes ✅ AUTO Mode activates pump based on flow and pressure ✅ Manual Mode for continuous operation ✅ Integrated check valve to prevent backflow ✅ One-button programming for easy setup ✅ Boosts water pressure for taps, showers, and more ✅ Built-in thermal and electrical protection for safety

BritTherm Сirculator Pump B4 Series B4 25/5-180 (661999006)

The BritTherm B4 25/5-180 Circulator Pump is a high-efficiency solution for potable water circulation in larger systems. Designed with a 180mm body length and 25mm connections, it combines traditional fixed-speed control with nine intelligent operating modes, including AUTO, constant pressure, and proportional pressure options. With built-in energy-saving features and protective mechanisms, this pump delivers reliable performance, especially where longer pump bodies are required for direct replacements. The BritTherm Circulator Pump B4 25/5-180 is engineered for flexibility and long-lasting efficiency in heating and potable water systems. With its extended 180mm body, it is particularly suitable for direct replacement in installations requiring this size. Its 25mm ports support medium-head circulation applications, while the smart control system automatically adjusts performance for changing flow demands. The pump offers three manual speed options, AUTO mode for self-adjusting operation, two constant pressure settings (CP1 and CP2), and two proportional pressure modes (PP1 and PP2). For additional efficiency, the Night Operating Mode reduces power use to just 5 watts when demand is low. Electrical and thermal protection safeguards the unit from voltage fluctuations and overheating, making it a dependable choice for modern plumbing systems. Features & Benefits: ✅ Extended 180mm body ideal for replacement installations ✅ 25mm connections suitable for potable water circulation ✅ AUTO mode for intelligent, hands-free performance ✅ Three selectable fixed speeds ✅ Two constant pressure modes (CP1, CP2) ✅ Two proportional pressure modes (PP1, PP2) ✅ Night mode lowers energy usage to 5W ✅ Smooth and quiet operation ✅ Overheat and electrical protection included ✅ Simple, intuitive push-button controls

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 Replacement Pump Head H3 Series H3 25/8 (661996508)

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’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’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.   Features & 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

BritTherm Сirculator Pump B1 Series B1 25/4-130 (661996702)

The BritTherm B1 25/4-130 Circulator Pump is a dependable three-speed pump designed for circulating both hot and cold potable water. Its classic bronze body construction ensures compatibility with drinking water systems, while the manual speed selector allows for precise control across varying system requirements. Ideal for homeowners and installers looking for a traditional, proven solution with added protection features for long-term reliability. The BritTherm B1 25/4-130 Circulator Pump offers an efficient and robust solution for domestic water circulation. Featuring a durable bronze body, it’s suitable for applications involving drinking water, and resistant to corrosion over time. This model comes with a simple three-speed mechanical switch, letting users set the flow rate to match their specific system performance needs. This “Old School” control method is appreciated for its reliability and ease of use, particularly in traditional or retrofit installations. With built-in thermal and electrical protection, the pump is safeguarded from overheating and electrical faults, reducing the risk of breakdowns caused by external issues. Its compact 130mm length makes it suitable for tight installation spaces in residential systems.   Features & Benefits: ✅ Three manual speed settings for system flexibility ✅ Corrosion-resistant bronze body for potable water ✅ Trusted “Old School” mechanical control ✅ Thermal and electrical protection for peace of mind ✅ Compact design suitable for tight spaces ✅ Ideal for central heating and domestic water systems

BritTherm Automatic Сirculator Pump P1 Series P1 25/12-130 (661995322)

The BritTherm P1 25/12-130 Circulator Pump is a compact, high-performance unit delivering a 12-metre head height for demanding central heating systems. With 130mm body length and 25mm connections, it offers an ideal balance of power and space-saving design. Featuring AUTO Mode for energy-efficient performance and manual speed options for precise control, this pump is perfect for new installations or direct replacements where powerful flow is required in a compact format. The BritTherm P1 Series P1 25/12-130 is designed to handle more demanding heating applications with a high-performance 12-metre head. Despite its power, the 130mm length allows for easy installation in tight spaces, particularly where system upgrades are needed without major pipework changes. Four operating modes—including intelligent AUTO Mode—ensure this circulator pump can optimise energy use without compromising performance. Alternatively, engineers can select one of three manual speeds. The pump also includes an automatic night-time energy-saving mode, reducing power usage to just 5 watts during low-demand periods. With built-in thermal and electrical protection, the P1 25/12-130 is a robust and reliable choice for residential and light commercial use.   Features & Benefits: ✅ High 12m head for increased flow capacity ✅ Compact 130mm body for easy installation ✅ AUTO Mode intelligently adapts to system demand ✅ Three fixed speeds for traditional control ✅ 5W night power reduction for energy savings ✅ Built-in electrical and thermal protection ✅ Ideal for upgrades or restricted spaces