Grundfos MAGNA1 65-40F (340) Variable Speed Circulator 240V

The Grundfos MAGNA1 65-40F (340) is an A-rated, EuP-ready variable-speed circulator designed for circulating water in heating and domestic hot-water systems where flows vary.

• Variable-speed control with nine light fields for pump-setting indication and selectable curves: three proportional-pressure, three constant-pressure, and three fixed-speed options.
• Suitable for heating systems, main pump duties, mixing loops, heating and air-conditioning, and systems with hot-water priority or external signal control.
• Performance and mechanical facts: 65 mm flanged connections, 340 mm port-to-port dimension, max flow 28 m3/hr and max head 4 m.
• Electrical and installation: 240 V 1Ph 50 Hz supply; motor power range and current listed as 23.15–190 W and 0.24–0.9 A.
• Liquid compatibility and range: designed for pumping water with a liquid temperature range of -10 to 110 °C; cast iron construction.

Designed for low life-cycle cost, low noise and maintenance-free operation, the MAGNA1 65-40F offers straightforward installation and safe selection features for variable-flow heating and hot-water applications.