Red Lion 602206 RJS-50-PREM Premium Cast Iron Shallow Well Jet Pump 1/2HP 12GPM 115/230V - The Red Lion RJS-50-PREM clean water pump is ideal for the supply of fresh water to rural homes, farms, and cabins that have suction lifts down to 25'. Its rugged cast-iron construction is designed for years of service and reliability. It includes a factory pre-set 30/50 pressure switch and pressure gauge. The 115/230V motor is factory set for 230V but can easily be changed to 115V - follow the instructions in the owner's manual. Please ensure the voltage on the pump matches the power source voltage otherwise the pump will not operate at full power.