The K2 1/2 HP Submersible Sewage Pump is designed to pump sewage, effluent, wastewater, or flood water that contains solids up to 2 in. in diameter. The pump is designed to fit into an 18 in. diameter or larger basin. It is constructed of heavy-duty cast iron and comes with a piggyback vertical float switch for reliable maintenance-free operation and easy replacement. The pump has a maximum pumping capacity up to 6500 gal. per hour at 0 ft. of lift and 4200 gal. per hour at 10 ft. of lift.