Little Giant Automatic Sewage Ejector Pump with Float Switch - 4200 GPH, 4/10 HP, 2in., Model# 509500 Pump has a thermally protected oil-filled motor Moves up to 4,800 GPH/ 80 GPM at 5 ft. Piggyback mechanical float switch with an (On) level range of 9in.-14; (Off) level range of 2in.-6in. Upper sleeve and lower ball bearing construction Stainless steel screws and fastners