BritTherm Сirculator Pump B4 Series B4 25/6-180 (661999009)

The BritTherm B4 25/6-180 Circulator Pump is a high-efficiency, smart circulator pump built for systems that require a longer 180mm body. With 9 intelligent operating modes and a medium-high head output, this pump ensures optimal flow, minimal energy usage, and automatic adjustment to demand. Ideal for both domestic and commercial potable water applications, it delivers dependable performance while protecting against electrical and thermal faults.

Built with advanced engineering, the BritTherm Circulator Pump B4 25/6-180 is a smart, adaptive solution designed for circulating hot or cold potable water in residential and commercial heating systems. With a 25mm inlet/outlet and an extended 180mm body, it’s perfect for larger pump housings or installations where extra clearance is required.

Its 9 operating modes cover everything from traditional fixed speed settings to intelligent AUTO mode, ensuring consistent and efficient flow across various load conditions. Constant and proportional pressure settings help stabilise the system based on flow demands, while night mode cuts energy consumption to a low 5W during off-peak periods. Built-in protection systems safeguard against overheating or electrical issues, delivering peace of mind with every install.

Features & Benefits:
✅ 180mm long body ideal for larger pump setups
✅ 25mm ports suitable for hot or cold potable water
✅ Intelligent AUTO mode adjusts to system needs
✅ Traditional fixed speed control (three settings)
✅ Two constant pressure modes (CP1 & CP2)
✅ Two proportional pressure modes (PP1 & PP2)
✅ Energy-saving night mode (5W operation)
✅ Smart thermal and electrical safety features
✅ Quiet operation with smooth flow performance
✅ One-touch control panel for easy adjustments

• Programs = 9 Control Programs
• Maximum Head (Meters) = 6
• Flow (m3/h) = 3.6
• Power = 5~45
• Connection Size = 1 ½”
• Energy Efficiency Index Rating (EEI) = EEI≤0.22
• Maximum System Pressure (KPA) = 10 Bar
• Protection Class = IP44
• Temperature Class = TF 95°C
• Insulation Class = F
• Material = Bronze
• Supplied With (Loose in Box) = A set of brass threaded connections designed for fastening to pipes, high-temperature rubber gaskets, electrical cable 1.3 m long, insulation foam, data sheet and warranty instructions.

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