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 92541 1/2 Hp cast iron 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 in. solids with ease.