Grundfos MAGNA1 32-100F (220) Variable Speed Circulator 240V

The Grundfos MAGNA1 32-100F (220) is a variable-speed circulator designed to circulate water in heating systems and domestic hot-water systems, offering selectable pump settings and low life-cycle energy use. It operates on 240V single-phase power and meets EuP requirements with an A energy rating.

• Applications: heating systems, main pump, mixing loops, and heating & air-conditioning systems.
• Electrical and performance: 240V 1Ph 50Hz supply; motor power range listed as 8–175 W; full-load current 0.08–1.41 A.
• Hydraulic data: maximum flow up to 10.5 m3/h and maximum head up to 10 m; liquid handled: water; temperature range −10 to 110 °C.
• Mechanical details: 220 mm port-to-port dimension, 32 mm flanged connections, cast iron construction; weight 8.4 kg.
• User features: easy selection of pump setting with nine light fields, multiple pressure/curve options (three proportional-pressure, three constant-pressure, three fixed-speed), low noise, maintenance-free operation.

Additional notes: the pump supports an external hot-water priority signal to force operation to the maximum curve. Manufacturer-specified warranty: 2 years.