Impeller: F.D.A. compliant, glass filled Noryl. Corrosion and abrasion resistant.Diffuser (Guidevane): Bolt down Lexan diffuser has stainless wear ring for extended performance in abrasive conditions.Powered for Continuous Operation: Pump ratings are within the motor manufacturer’s recommended working limits. Can be operated continuously without damage.Corrosion Resistant: Electro-coat paint is baked on.Protected Mechanical Seal: Diaphragm retains water in the casing to ensure the mechanical seal can never run dry.Excellent Air Handling Ability: After initial priming the pump has the ability to re-prime itself.APPLICATIONS Specifically designed for:  Homes  Farms  Cottages  Booster service SPECIFICATIONS Pump:  Pipe connections: 1¼" NPT suction, 1" NPT discharge, 1" NPT drive (pressure)  Pressure switch: AS4 preset at 30-50 PSI Motor: NEMA standard 60 Hz  1/2 HP, 115/230 V capacitor start Single phase 3500 RPM Built-in overload with automatic reset Stainless steel shaft Rotation: clockwise when viewed from motor end UL778 listed Maximum temperature: 140°F Pressure regulator included. Pumps are manufacturer tested and may contain water inside from such testing