1/2 hp coated steel and reinforced thermoplastic submersible sump pump. Assembled in the US with foreign and domestic parts. Float switch tested to 1 million cycles. Top suction pump design eliminates air locks and clogging from debris in bottom of sump pit. Epoxy-coated steel motor housing and corrosion-resistant, thermoplastic pump base. Fully submersible. 1/2 hp, max flow rate is 3900 at 0 ft 1-1/2 in NPT discharge. For use in 11 in. diameter or larger sump basins.