BritTherm Automatic Сirculator Pump P4 Series P4 25/4-130 (661995602)

The BritTherm P4 25/4-130 Circulator Pump delivers reliable and adaptable performance for a wide range of heating applications, including boilers, heat pumps, and HIUs. Featuring 11 automatic modes and a powerful 4-metre head, this 25mm pump offers superb efficiency and control. The integrated PWM function ensures compatibility with modern thermostats and smart controllers, making it ideal for underfloor and variable-flow systems.

The BritTherm P4 25/4-130 Circulator Pump is engineered for efficiency, adaptability, and modern system integration. With a 130mm body and 25mm connections, this pump is perfect for domestic HVAC installations where space and performance go hand-in-hand. Its 4-metre head offers sufficient power for small to mid-size systems, ensuring effective circulation and comfort.

Designed to meet the demands of diverse systems, this model includes 11 operating modes: three fixed-speed options for traditional control, AUTO mode for system-responsive performance, and six dynamic pressure settings—three constant (CP1–CP3) and three proportional (PP1–PP3). These modes support everything from underfloor heating to multi-zone heating systems.

The P4 25/4-130 also features a PWM (Pulse Width Modulation) interface, allowing low-voltage remote control integration with leading thermostat brands like Honeywell and Siemens. Safety is assured with inbuilt electrical and thermal protection, guarding against common issues such as voltage spikes and overheating.

Features & Benefits:
✅ 25mm connection with a 4-metre head for compact system circulation
✅ Space-saving 130mm body suitable for modern installations
✅ 11 smart work programmes including AUTO and adaptive pressure control
✅ PWM function enables remote control integration with smart thermostats
✅ Compatible with Honeywell, Siemens, and other controller systems
✅ Ideal for HIUs, heat pumps, and underfloor heating
✅ AUTO mode intelligently adapts to system demand
✅ Built-in electrical and thermal protection for long-lasting reliability
✅ Energy-saving performance with night power reduction
✅ Easy setup and simple operation with intuitive control panel

• Programs = 11 Control Programs with remote control function
• Maximum Head (Meters) = 4
• Flow (m3/h) = 2.5
• Power = 3~25
• Connection Size = 1 ½”
• Energy Efficiency Index Rating (EEI) = EEI≤ 0.20
• Maximum System Pressure (KPA) = 10 Bar
• Protection Class = IP44
• Temperature Class = TF 95°C
• Insulation Class = F
• Material = Cast Iron
• Supplied With (Loose in Box) = A set of threaded connections designed for fastening to pipes, high-temperature rubber gaskets, electrical cable 1.3 m long, pwm cable, insulation foam, data sheet and warranty instructions.

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