Laundry Tub Pump, Automatic, 1/3-HP Motor1 3 hp, automatic laundry tub pump, automatic switch starts motor when water enters in the pump body, mounts directly to tail piece, union, check valve & discharge valve included, no trap or inlet piping required, no vent connection required, thermal & overload protection, fits under wet bars, kitchenettes, vanities & utility sinks, maximum water temperature 140ree Fahrenheit.