This automatic submersible sump pump can be used in a residential or light commercial use for the following applications: water transfer, dewatering, and basement sumps. This reliable and efficient pump is 115 volts and 1/3 HP. Automatic operation with pressure switch operates pump when water level is between 7" and 10". Pump shuts off when water level falls to between 1" and 4". The pressure switch is non-adjustable. Shaded pole motor with thermal overload protection. This sump pump is durably made for continues duty. Oil-filled epoxy-coated cast iron motor housing with a 25-foot cord.