Turbine Pump Phase Single Pump Housing Material Cast Iron Motor Enclosure Open Dripproof Horsepower 1/2 hp Nameplate Voltage 115/230V AC Shut Off Pressure (Maximum) 140 psi Maximum Flow Rate 3.8 gpm Flow Rate @ 10 psi 3.8 gpm Flow Rate @ 20 psi 3.4 gpm Flow Rate @ 30 psi 3 gpm Compatible Intake Pipe Size 3/4 in Compatible Discharge Pipe Size 3/4 in Discharge Type NPT Motor Type Capacitor-Start/Run Best Efficiency Head 85 ft Case Pressure (Maximum) 200 psi