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

• Programs = 11 Control Programs with remote control function
• Maximum Head (Meters) = 8
• Flow (m3/h) = 3.6
• Power = 3~65
• Connection Size = 1 ½”
• Energy Efficiency Index Rating (EEI) = EEI≤ 0.21
• 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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