Booster Pump, Phase Single, Pump Housing Material Cast Iron, Motor Enclosure Open Dripproof, Horsepower 2 hp, Nameplate Voltage 115/230V AC, Flow Rate @ 20 psi 50 gpm, Flow Rate @ 30 psi 44 gpm, Flow Rate @ 40 psi 41 gpm, Flow Rate @ 50 psi 37 gpm, Flow Rate @ 60 psi 33 gpm, Flow Rate @ 70 psi 28 gpm, Flow Rate @ 80 psi 23 gpm, Flow Rate @ 90 psi 8 gpm, Shut Off Pressure (Maximum) 98 psi, Compatible Intake Pipe Size 1 1/2 in, Compatible Discharge Pipe Size 1 1/4 in, Intake Type NPT