Grundfos MAGNA1 40-150F (250) Variable Speed Circulator 240V

Purpose-built variable-speed circulator for heating and domestic hot-water systems. The Grundfos MAGNA1 40-150F (250) is an A-rated, EuP-ready 240V circulator designed to move water in heating systems, main-pump duties, mixing loops and heating/air-conditioning applications while offering immediate full-curve operation via an external hot-water priority signal.

• Variable-speed operation with nine light fields for pump-setting indication and three proportional-pressure, three constant-pressure and three fixed-speed curves for straightforward selection.
• 250 mm port-to-port dimensions with 40 mm flanged connections and a cast-iron wet pump body suitable for circulating water; liquid temperature range covers -10 to 110 °C.
• Performance and electrical data from the product: 240 V 1Ph 50 Hz supply, motor input range 16.01–615 W, full-load current 0.18–2.71 A, maximum flow 26 m3/h and maximum head 15 m.
• Low noise, maintenance-free design and long life are stated product benefits; unit weight is 17.7 kg and overall dimensions are 250 mm (h) × 234 mm (w) × 369 mm (d).

Designed for systems requiring adjustable flow and reliable hot-water priority control, this MAGNA1 model provides multiple control curves and clear pump-setting feedback to match common heating-system needs.