This pump control has a movable pressure gauge as standard. The starting pressure is adjustable between 1.5 and 2.5 bar. The pump control is a flow switch that fully automatically turns the pump on or off when the tap or valve is opened or closed. The pump control protects the pump from running dry. Suitable for centrifugal pumps and pressure submersible pumps up to 1.8 HP (10 Amp.) Connection 1" Minimum capacity 15 L/h. Maximum capacity 7500 L/hr at max pressure 10 bar and 230V.