Red Lion PWJET50 Cast Iron Shallow Well Jet Pump Wells up to 25 Ft 1/2 HP SHALLOW WELL JET PUMP: Shallow well jet pump is ideal for use in pumping at depth of 25 feet or less. Premium 1/2-HP jet pump is used for supplying fresh water to large homes, farms, and cabins. HEAVY-DUTY CAST IRON CONSTRUCTION: This heavy-duty pump is designed with a 115/230-volt motor with capacitor as well as corrosion and rust-resistant cast iron casing to ensure years of service and reliability. GLASS-FILLED THERMOPLASTIC IMPELLER AND DIFFUSER: It has a glass-filled thermoplastic impeller and diffuser for high performance and efficient water flow. SHALLOW JET PUMP: This pump includes factory pre-set 30/50 pressure switch that produces up to 50 psi with automatic shut-off. 115/230 VOLT HEAVY-DUTY CENTURY MOTOR PUMP: It also features 50 PSI and a 23 GPM flow rate with automatic shut-off, voltage selector for simple connection to existing power sources, a factory pre-set 30/50 pressure switch.