Grundfos MAGNA1 25-80 Circulating Pump - High Efficiency Variable Speed Heating Circulator, 230V

Energy Saving Motor

Permanent magnet motor with an EEI of 0.20, lowering running costs compared with older fixed speed pumps.

Smart Pressure Control

Proportional, constant pressure and constant curve modes let installers match output precisely to the system.

Maintenance Free Design

Canned rotor construction removes the need for external motor protection or routine servicing.

Wide Temperature Range

Handles liquid temperatures from -10°C to 110°C, suiting both heating and cooling circuits.

Easy Drop In Replacement

Standard 180mm port to port length and G 1½" connection fit straight into existing pipework.

Durable Cast Iron Body

Robust cast iron housing built to withstand continuous, demanding domestic and commercial use.

Simple Local Control

Clear, intuitive control panel makes setup and day to day adjustment quick for installers and homeowners.

Certified & Reliable

CE, VDE, EAC and RoHS approved, giving trade professionals confidence in every installation.

Main Domestic Heating Circuit

Ideal as the primary circulator in standard UK domestic heating systems and radiator circuits.

Underfloor Heating Manifolds

Provides steady, low noise circulation across underfloor heating loops and manifold systems.

Mixing Loops & Zoned Systems

Handles secondary circulation for blending valves and multi zone heating arrangements.

Ground Source Heat Pump Circuits

Wide liquid temperature tolerance suits primary and secondary heat pump loops.

Solar Thermal Heating

Reliable circulation for solar collector loops feeding domestic hot water cylinders.

Light Commercial Cooling

Suits chilled water circulation in small air conditioning and fan coil cooling systems.