Designed for basements with frequent water problems. Corrosion resistant stainless steel motor housing and fasteners. Cast iron body for long life. 115 volt 60 cycle single phase motor with overload protection. Vertical float switch for installation in sump basins 11-inches in diameter or larger. Thermally protected motor prevents overheating. Reinforced polycarbonate impeller. Top suction screen. High capacityPumps Up To 4600 GPH @ 0-FeetDurable, Cast Iron and Stainless Steel Submersible Sump PumpVertical Float Switch For Automatic OperationTop Suction Design Filters Debris and Minimizes CloggingDesigned For Easy Installation Without Any Plumbing ChangesStainless Steel, High Performance 3/4 HP Motor1-1/2-inch NPT Discharge and Durable Cast-Iron BaseFloat Guard Protects Switch From Hang-Ups3/4 HP Motor Rated 10 AmpsDesigned for 11-inch Diameter or Larger Sump BasinsApproximate On Level @ 9-inch - Off Level @ 4-inch