Submersible Deep Well Pump HP 1/2 hp Rated Voltage 230V AC Amps 6 A Phase - Pumps 1 Number of Stages 8 Number of Wires 2 Discharge Head Material Thermoplastic Impeller Material Noryl Shaft Material Stainless Steel Nominal Flow Rate 11 gpm Flow Rate @ 100 ft @ 40 PSI 8.7 gpm Flow Rate @ 100 ft @ 50 PSI 6.6 gpm Max Head 277 ft Discharge Dia 1 1/4 in Max Operating Temp 86 Degrees F Nominal Voltage 220V AC