Grundfos MAGNA1 40-40F (220) Variable Speed Circulator 240V

The Grundfos MAGNA1 40-40F (220) is an A‑rated, EuP‑ready variable‑speed circulator designed for circulating water in heating and domestic hot‑water systems. It provides selectable pump settings, low energy consumption, and maintenance‑free operation for central heating, mixing loops, main pump duties and HVAC applications.

• Variable‑speed circulator with three proportional‑pressure, three constant‑pressure and three fixed‑speed curves; nine light fields indicate pump setting.
• 240V single‑phase operation; motor power range 12–90 W and full load current 0.11–0.72 A.
• Hydraulic performance up to 13 m3/h flow and 4 m head; port‑to‑port 220 mm with 40 mm flanged connections.
• Suitable for water at -10 to 110 °C; cast iron construction; weight 10.5 kg.
• External hot‑water priority signal forces pump to operating maximum when required (e.g., solar‑heating integration).
• Low noise, maintenance‑free design; manufacturer Grundfos with a 2‑year warranty.

When replacing a UPS 40‑50F with this MAGNA1 40‑40, a spacer kit is required (see accessories). The unit’s compact 220 mm dimensions and flanged connections simplify installation where compatible piping and mounting are present.