Submersible cast iron and coated steel sump pump with vertical float switch. Top suction pump design eliminates air locks and clogging from debris in bottom of sump pit. Epoxy-coated steel motor housing and rugged, cast iron pump base. Fully submersible. 1/3 HP, max. flow rate is 3800 GPH, 2700 GPH at 10 ft. of discharge lift. 1-1/2 in. NPT discharge. For use in 11 in. Dia or larger sump basins, 9 in. on level and 4 in. off level. On 9 in. - off 4 in. Assembled in the U.S.A.