Grundfos MAGNA1 65-100F (340) Variable Speed Circulator 240V

The Grundfos MAGNA1 65-100F (340) 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.

• Applications: heating systems, main pump duties, mixing loops and heating & air-conditioning circuits.
• Electrical: 240V, single-phase (50Hz) operation with full load current range 0.26–2.73 A; motor output range listed as 24.68–619 W.
• Performance and connections: up to 44 m3/hr flow and 10 m head; 65 mm flanged connections with 340 mm port-to-port dimension.
• Construction and fluids: cast-iron pump body rated for water with a liquid temperature range of -10 to 110 °C.
• User features: variable selection with nine light indicators, three proportional-pressure, three constant-pressure and three fixed-speed curves; suitable for hot-water-priority external signalling; low noise and maintenance-free design.

Dimensions, weight and support details are provided with the product: 340 mm (h) x 266 mm (w) x 386 mm (d), weight 23.8 kg, and a 2-year manufacturer warranty.