Booster Pump Phase Single Pump Housing Material Cast Iron Motor Enclosure Open Dripproof Horsepower 2 hp Nameplate Voltage 115/230V AC Flow Rate @ 10 psi 27.6 gpm Flow Rate @ 20 psi 27 gpm Flow Rate @ 30 psi 26 gpm Flow Rate @ 40 psi 25.7 gpm Flow Rate @ 50 psi 25 gpm Flow Rate @ 60 psi 24.2 gpm Flow Rate @ 70 psi 27.5 gpm Flow Rate @ 80 psi 22.6 gpm Flow Rate @ 90 psi 22 gpm Flow Rate @ 100 psi 20.8 gpm Flow Rate @ 120 psi 18.7 gpm Shut Off Pressure (Maximum) 190 psi