Rugged cast-iron construction makes this 3/10 HP pump ideal for heavy-duty sump pump applications and for grey water effluent applications. Overload protected oil filled motor, 2-pole float operated switch for reliable operation and long life. 1-1/2" discharge pumps up to 1/2" solids. Not intended for pumping unprocessed household sewage or as a sewage ejector pump. 2 year limited warranty. For replacement switch see Model No KH82 (SKU 417076)