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QB range are peripheral turbine pumps, made to develop high pressure with limited flow rates. The pump impeller is brass and the pump casing is cast iron. Clean water only and mainly used for water boosting of small scale booster systems. IP44. 1" Inlet and 1" Outlet. Fitted with the PC12 electronic controller offers control of the pump automatic starting and stopping of the water when opening or closing any tap or valve with in the installation. When the water pump starts, it keeps running while any tap is opened in the system, giving a constant flow and pressure to the network.