The Grundfos MAGNA1 D 65-80 F 340 1x230V PN6/10 is a 240V light commercial central heating circulator pump with all wetted parts in cast iron. This pump is hard-wearing and suitable for pumping hot water from boilers and supplying radiator or underfloor systems. This version has a maximum flow rate of 10.4 litres/second, or 624 litres/minute and a maximum head of 6m. The pump has DN65 Flanged connections and port-to-port measurement of 340mm. The Grundfos MAGNA1 range are based on the high specification MAGNA3 range, but with a reduced feature set. However, the MAGNA1 retains the same high energy efficiency and build quality.