Designed specifically as a whole house solution for properties with positive head gravity fed water systems, this 1.5 bar twin house pump from Salamander will help to improve performance across your home.Perfect for homes with low mains water pressure, the RP50 will boost the hot and cold water supply to conventional showers with heads up to 100mm in diameter, taps and bath fillers, for a greatly improved water flow.This pump uses centrifugal technology to operate quietly and efficiently, with no drop in pressure even when multiple outlets are being used. It is also supplied with isolating valve AV couplers. Must be used with an anti-aeration cylinder fitting flange.*Increase your standard 2 year guarantee to 3 years, by calling the PumpWise team at Salamander on 0191 516 2002, who will confirm correct installation.