Booster Pump, Phase Single, Pump Housing Material Cast Iron, Motor Enclosure Open Dripproof, Horsepower 3 hp, Nameplate Voltage 230V AC, Flow Rate @ 10 psi 48 gpm, Flow Rate @ 20 psi 47.5 gpm, Flow Rate @ 30 psi 46 gpm, Flow Rate @ 40 psi 44 gpm, Flow Rate @ 50 psi 42.5 gpm, Flow Rate @ 60 psi 40 gpm, Flow Rate @ 70 psi 38 gpm, Flow Rate @ 80 psi 35.2 gpm, Flow Rate @ 90 psi 33 gpm, Flow Rate @ 100 psi 27.5 gpm, Shut Off Pressure (Maximum) 118 psi, Compatible Intake Pipe Size 1 in