Grundfos - UP 15-14 B PM 99164484 Comfort Hot Water Circulator Pump - 230V - Single Phase

COMFORT is an high-efficiency circulator designed for hot-water recirculation in residential buildings with a dedicated return line. It is compatible with all types of water heater tanks, tankless systems, solar or heat pumps whether or not the system has mixing or tampering valves installed.

The pump features a space-efficient housing and a permanent magnet with an integrated control unit. The spherical rotor, equipped with an impeller, ensures optimal functionality supported by a heavy-duty single-bearing ball system. The drinking-water approved brass pump housing guarantees both safety and reliability.

COMFORT features the continuous operation 24/7 mode which is appropriate for external control via plug-in timer, gas boiler or heat-pump controller.

The product features:

Suitable for: Domestic hot water recirculation

Real-world product applications

• Circulating water around closed-loop pipework systems
• Maintaining flow through distribution circuits
• Supporting recirculation in building services installations
• Keeping consistent flow through equipment or pipe runs
• Assisting with loop circulation for system efficiency

Key Product Features

• Net weight: 0.86 kg
• Mains frequency: 50 / 60 Hz
• Approvals: CE,WEEE,RCM,UKCA
• Rated Head: 0.9 m
• Max Head: 14 dm
• Rated Flow: 0.45 m³/h
• Product Voltage: 1 x 230 V
• Temperature Liquid Range: 2 .. 95 °C
• Pumped Liquid: Water
• Port to Port Length: 80 mm
• Connection Size: 1/2 inch
• Type of connection: Rp
• Maximum Operating Pressure: 10 bar
• Impeller Material: Composite
• Pump Housing Material: Brass

This is a Grundfos Circulator pump which can be used within closed loop cooling, heating and hot water systems.

Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.