Superior Pump 92057 1/2 HP Thermoplastic Submersible Sump Pump with Vertical Float Switch, plus 1-1/2-Inch Rubber Boot Check Valve. Superior Pump builds pumps that are truly Built to Last and are 100 percent factory tested. Superior Pump uses quality components including solid copper motor windings, heavy duty stainless steel jacketed shaft seals, double O-ring seals on motor plate, and electronically controlled split capacitors. Superior Pump model 92572, 1/2 HP thermoplastic submersible sump pump with vertical float switch, will move water up to 3300 gallons per hour. Upgraded durable stainless steel impeller for improved performance. Equipped with suction screen to filter out large debris and handles up to 3/8-inch solids with ease. This pump is UL/CUL listed and CSA certified and backed by a 3 year warranty.