Booster Pump Phase Single Pump Housing Material Cast Iron Motor Enclosure Open Dripproof Horsepower 1 hp Nameplate Voltage 115/230V AC Flow Rate @ 20 psi 15.5 gpm Flow Rate @ 30 psi 15 gpm Flow Rate @ 40 psi 14.5 gpm Flow Rate @ 50 psi 14 gpm Flow Rate @ 60 psi 13.4 gpm Flow Rate @ 70 psi 13 gpm Flow Rate @ 80 psi 12.3 gpm Flow Rate @ 90 psi 11.5 gpm Flow Rate @ 100 psi 11.2 gpm Flow Rate @ 120 psi 9.8 gpm Shut Off Pressure (Maximum) 183 psi Compatible Intake Pipe Size 3/4 in