Wayne® SWS50 Cast Iron Shallow Well Jet Pump, 1/2 HPDeliver water from an underground water source to your home. Usually placed inside a protected area outside a well. High efficiency square flange motor that is thermally protected to help prevent overheating. The volute is constructed of durable cast iron, with a corrosion resistant, reinforced thermoplastic impeller and diffuser. 1 2 HP Pumps up to 384 gallons per hour @ 5' depth 50 PSI for wells 0' 25' in depth Dual voltage, 120 240 High efficiency