FLOJOY 1/2 Sewage Clean/Dirty Water Pump with Automatic Float Switch 7500 L/h Flow Submersible Water Pump  (0.5 hp)

The pump with a float switch can control start/stop Automatically. when the water level is below the initial level( 4.7 inch), the pump will start working automatically under the control of float switch. Made of plastic and metal. Thermoplastic body protects the metal parts from corrosion, ensures a long time use. The higher base plate assures the prevention of debris collection in the sump pit. Once the pump can not pump any water, the power must be cut off immediately.If not, that will lead to the coil inside the pump burned,Which causes a lot of moister internally. Thermoplastic body resists corrosion as there are not exposed metal parts. Lower noise and energy-efficient. Oil free motor requires no maintenance.