CWS50 WATER WELL PUMP: CWS50-1/2 HP-1 PH-60 HZ-115/230V-Factory Wired for 115V-3450 RPM-Capacitor Start-Overload Protected. Features:Heavy Duty Motor - Large diameter motor assures cool running, trouble-free efficient operation for many years...in high and low voltage areas. Sealed bearings. Stainless steel shaft.Overload Protection Switch - Overload protector is built into motor housing. Prevents costly damage to motor windings.Water Tight Seal - Ceramic seal is liquid-lubricated for life. Never needs oiling or new packing. Eliminates problem of dripping water.Impeller - Precision-machined and balanced impeller. Threaded to motor shaft and cannot slip or come loose. Glass reinforced lexan.Integrated priming port.Additional Seal Plates - Prevents water from entering motor.Improved Water Housing - Assembly with deep water channels insure continuous water volume while maintaining high water pressure.Automatic Pressure Switch - Automatically turns pump on and off to keep tank filled.Copper Tubing - Will not corrode or crack regardless of water or weather conditions.Rubber Gasket - Resilient ring firmly seals water housing against leaks. No flat paper gaskets.Universal Square Flange - Allows easy motor replacement.