BritTherm Сirculator Pump S6 Series S6 25/12-180 (661999603)

The BritTherm S6 25/12-180 Circulator Pump combines powerful performance with smart technology for potable water systems. Featuring an EN1.4521 stainless steel casing and 180mm body, it's built for high-capacity domestic and light commercial use. With 10 automatic operating modes—including AUTO, fixed speed, constant and proportional pressure—the pump adapts to any installation. Advanced PWM GT and PWM ST remote-control functions allow integration with popular control systems like Siemens and Honeywell, while built-in electrical and thermal protection ensures lasting reliability. Designed for precision control and reliability, the BritTherm Circulator Pump S6 Series S6 25/12-180 is ideal for potable water circulation and recirculation. The stainless steel EN1.4521 housing provides corrosion resistance and suitability for drinking water systems, while the extended 180mm body supports higher capacity and greater flow rates. With three selectable fixed speeds, AUTO mode, and both constant and proportional pressure options, this pump offers 10 smart operating modes tailored to any application. PWM GT and PWM ST technology enable remote speed and function control via low-voltage signals—compatible with leading systems like Siemens and Honeywell. Engineered for ease of use and reliability, the pump also includes built-in electrical and thermal protection to safeguard against external faults and overloads.   Features & Benefits: ✅ Stainless steel EN1.4521 casing for potable water use ✅ 180mm body supports higher flow rates ✅ 10 smart modes including AUTO, CP, and PP ✅ Three fixed-speed modes for full power range ✅ AUTO mode adapts to system demand automatically ✅ Two constant pressure settings (CP1 & CP2) ✅ Two proportional pressure settings (PP1 & PP2) ✅ PWM GT & ST functions for remote control compatibility ✅ Works with Siemens, Honeywell & similar systems ✅ Built-in thermal and electrical safety protection

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 S5 Series S5 32/10-180 (661999504)

The BritTherm S5 32/10-180 Circulator Pump is built to perform in high-demand commercial potable water systems. With a corrosion-resistant EN1.4521 stainless steel body and an extended 180mm length, it delivers superior durability and power. This advanced pump offers 13 operating modes, including AUTO, constant speed, constant pressure, and proportional pressure settings—giving full control over system efficiency and performance. Safety is paramount, with thermal and electrical protection built in to prevent system faults. Engineered for intensive commercial use, the BritTherm Circulator Pump S5 Series S5 32/10-180 delivers powerful circulation for potable water systems. The pump’s high-quality EN1.4521 stainless steel casing ensures hygienic operation and long-lasting durability. With 13 intelligent operating modes, including four fixed-speed options for traditional performance, four constant pressure settings to maintain system stability, and four proportional pressure modes that automatically respond to changing flow demands, this pump adapts precisely to the needs of modern installations. The AUTO mode offers smart, energy-saving adjustments based on system conditions. Built-in thermal and electrical safeguards add an extra layer of reliability, making this pump ideal for continuous commercial operation.   Features & Benefits: ✅ EN1.4521 stainless steel casing for hygienic potable water use ✅ 180mm body for commercial installations ✅ 13 flexible operating modes for system precision ✅ AUTO mode for energy-efficient optimisation ✅ Four fixed-speed modes for consistent flow ✅ Four constant pressure settings (CP2–CP5) ✅ Four proportional pressure settings (PP2–PP5) ✅ Electrical protection prevents damage from surges ✅ Thermal protection guards against overheating ✅ Suitable for demanding water supply systems

BritTherm Сirculator Pump S6 Series S6 25/10-180 (661999601)

The BritTherm S6 25/10-180 Circulator Pump is a cutting-edge solution designed for high-performance potable water circulation systems. Featuring a robust stainless steel EN1.4521 casing and enhanced functionality, it includes 10 intelligent operating modes plus PWM GT and PWM ST functions for seamless integration with smart thermostats and controllers. With AUTO mode, fixed speeds, and both constant and proportional pressure settings, this 180mm pump offers unmatched flexibility, efficiency, and remote control capabilities for large-scale water and heating systems. The BritTherm Circulator Pump S6 Series S6 25/10-180 sets a new standard for smart water circulation. Crafted with a corrosion-resistant stainless steel EN1.4521 casing, this pump is tailored for use in potable water systems, making it ideal for domestic and commercial installations. It offers 10 automatic operating modes, including three fixed speeds, AUTO mode for adaptive energy-efficient operation, constant pressure modes (CP1 and CP2), and proportional pressure modes (PP1 and PP2) to meet variable system demands. Uniquely, the S6 Series introduces PWM GT and PWM ST control functions, enabling remote pump regulation via low-voltage signal. This allows direct integration with smart thermostats and building automation systems such as Siemens and Honeywell. Electrical and thermal protection ensures the pump remains safe from faults not caused by pump operation. This intelligent 180mm model is built for performance, connectivity, and reliability.   Features & Benefits: ✅ Stainless steel EN1.4521 casing for potable water use ✅ Extended 180mm body for versatile installations ✅ 10 automatic operating modes for optimal flexibility ✅ Three fixed speeds for precise manual control ✅ AUTO mode optimises energy usage and performance ✅ CP1 & CP2 modes maintain consistent system pressure ✅ PP1 & PP2 modes adapt output based on demand ✅ Built-in PWM GT and ST for remote thermostat control ✅ Compatible with Siemens, Honeywell and more ✅ Electrical and thermal protection for pump safety

BritTherm Сirculator Pump B4 Series B4 25/7-180 (661999012)

The BritTherm B4 25/7-180 Circulator Pump is an advanced, intelligent pump designed for efficient circulation and recirculation of clean potable water. Equipped with nine smart operating modes, including AUTO and pressure control settings, it adapts to your water system’s requirements. Suitable for both hot and cold potable water, this pump offers energy-saving features and robust protection, ensuring reliable and cost-effective performance in modern water supply systems. The BritTherm Circulator Pump B4 25/7-180 is a highly versatile pump built for domestic and commercial water circulation needs. Its 25mm connection and extended 180mm body length provide excellent flow capacity and pressure head, making it ideal for systems requiring enhanced performance. This pump offers three fixed speeds for manual operation, plus an intelligent AUTO mode that automatically selects the optimal operating range for your circulation or recirculation system. It also includes two constant pressure modes (CP1 and CP2) and two proportional pressure modes (PP1 and PP2), allowing precise control based on flow demands. The Night Mode significantly reduces energy consumption to just 5 watts during low-demand periods, improving efficiency and lowering running costs. With built-in electrical and thermal protection, the pump safeguards against damage from external faults unrelated to system operation. Its easy one-button controls and quiet running make it an excellent choice for modern potable water circulation systems.   Features & Benefits: ✅ 25mm size with 180mm body length for enhanced flow ✅ Nine intelligent operating modes for system adaptability ✅ Three fixed speed settings for manual control ✅ AUTO mode for automatic optimisation ✅ Constant pressure modes (CP1 & CP2) for stable operation ✅ Proportional pressure modes (PP1 & PP2) for flow-based adjustment ✅ Energy-saving Night Mode reduces power to 5 watts ✅ Electrical and thermal protection for reliable safety ✅ Suitable for hot and cold potable water circulation ✅ Simple, one-button operation for user convenience

BritTherm Сirculator Pump B1 Series B1 20/12-180 (661996708)

The BritTherm B1 20/12-180 Circulator Pump is a high-performance, three-speed circulation pump built with a durable bronze body for safe use with cold and hot drinking water. Designed for demanding applications, this model delivers strong flow capacity and flexibility with manually selected speed settings. With reliable thermal and electrical protection, it’s a time-tested solution for domestic and light commercial systems. Built to handle higher capacity circulation requirements, the BritTherm B1 20/12-180 Circulator Pump offers robust performance in potable water systems. Its bronze body construction provides excellent corrosion resistance, making it suitable for both hot and cold water circulation. The pump features a manual switch with three fixed speeds, enabling users to easily adjust flow settings across the full power range to match the system's demands. This “Old School” design is favoured for its reliability and simplicity in a wide range of installation types. To ensure safe and long-lasting operation, the pump is equipped with integrated electrical and thermal protection systems. These features safeguard against external faults and thermal overloads, preventing unexpected breakdowns and maintaining system reliability. This model’s 180mm length and powerful performance make it ideal for larger domestic systems, commercial premises, or multi-zoned heating and water circulation applications.   Features & Benefits: ✅ Three-speed manual operation for adaptable flow control ✅ High-capacity performance for larger systems ✅ Bronze body for safe use with drinking water ✅ Reliable and easy-to-service design ✅ Electrical and thermal safety protection built in ✅ Ideal for both domestic and commercial water systems