Submersible Pump HP 1 hp Rated Voltage 230 VAC Amps 8.2 A Phase - Pumps 1 Number of Stages 12 Number of Wires 2 Discharge Head Material Thermoplastic Impeller Material Acetal Shaft Material 17-4 PH Stainless Steel Nominal Flow Rate 12 gpm Flow Rate @ 100 ft @ 40 PSI 13 gpm Flow Rate @ 100 ft @ 50 PSI 12 gpm Flow Rate @ 150 ft @ 40 PSI 11 gpm Flow Rate @ 150 ft @ 50 PSI 10.5 gpm Max Head 444 ft Discharge Dia 1 1/4 in Max Operating Temp 120 Degrees F