Submersible Pump, HP 1 hp, Rated Voltage 230 VAC, Amps 8.2 A, Phase – Pumps 1, Number of Stages 10, Number of Wires 2, Discharge Head Material Thermoplastic, Impeller Material Acetal, Shaft Material 17-4 PH Stainless Steel, Nominal Flow Rate 16 gpm, Flow Rate @ 100 Ft. @ 40 PSI 16 gpm, Flow Rate @ 100 Ft. @ 50 PSI 14 gpm, Flow Rate @ 150 Ft. @ 40 PSI 12.5 gpm, Flow Rate @ 150 Ft. @ 50 PSI 11 gpm, Max. Head 343 ft, Discharge Dia. 1 1/4 in, Max. Operating Temp. 120 Degrees F