WAYNE CDT33 1/3 HP Submersible Cast Iron Sump Pump With Tether Switch,Wayne Water Systems,57602-WYN1" /> 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 3 hp; max. Flow rate is 3800 gallons per hour; 2700 gph at 10 ft. Of discharge lift 1-1/2" npt discharge 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 Gallons Per Hour; 2700 GPH at 10 ft. of discharge lift 1-1/2" NPT discharge