Grundfos MAGNA1 65-120F (340) Variable Speed Circulator 240V

The Grundfos MAGNA1 65-120F (340) is a variable-speed circulator designed for circulating water in heating and domestic hot-water systems. It delivers up to 47 m3/hr flow and 12 m head while meeting EuP/A-rated efficiency requirements, minimizing operational energy use where variable flow control is required.

• Voltage and power: 240V single-phase operation with motor output and current range listed as 24.38-774W and 0.26-3.42A, supporting typical heating system loads.
• Port and mounting: MAGNA1 65 range features 340 mm port-to-port dimensions and 65 mm flanged connections for flanged installations.
• Fluid and temperature: Intended for pumping water with an operating liquid temperature range of -10 to 110 °C.
• Construction and durability: Cast-iron pump body and maintenance-free design intended for long service life.
• Control options: Multiple selectable curves (three proportional-pressure, three constant-pressure, three fixed-speed) and light-field indication enable straightforward setting of pump behaviour; external hot-water priority signal is supported.

Dimensions, weight and warranty: unit dimensions 340 × 266 × 386 mm, weight 23.8 kg, and a 2-year manufacturer warranty are specified for this model.