Booster Pump, Phase Single, Pump Housing Material Cast Iron, Motor Enclosure Open Dripproof, Horsepower 1 hp, Nameplate Voltage 115/230V AC, Flow Rate @ 10 psi 19 gpm, Flow Rate @ 20 psi 19 gpm, Flow Rate @ 30 psi 18.2 gpm, Flow Rate @ 40 psi 17.4 gpm, Flow Rate @ 50 psi 17 gpm, Flow Rate @ 60 psi 16 gpm, Flow Rate @ 70 psi 15.2 gpm, Flow Rate @ 80 psi 14.2 gpm, Flow Rate @ 90 psi 13.2 gpm, Flow Rate @ 100 psi 12.5 gpm, Flow Rate @ 120 psi 8.8 gpm, Shut Off Pressure (Maximum) 75 psi WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -