Booster Pump, Phase Three, Pump Housing Material Cast Iron, Motor Enclosure Open Dripproof, Horsepower 3/4 hp, Nameplate Voltage 208-230/460V AC, Flow Rate @ 10 psi 13.7 gpm, Flow Rate @ 20 psi 12.8 gpm, Flow Rate @ 30 psi 11.9 gpm, Flow Rate @ 40 psi 11 gpm, Flow Rate @ 50 psi 10.8 gpm, Flow Rate @ 60 psi 10.6 gpm, Flow Rate @ 70 psi 10 gpm, Flow Rate @ 80 psi 9.4 gpm, Flow Rate @ 90 psi 8.4 gpm, Flow Rate @ 100 psi 7.4 gpm, Flow Rate @ 120 psi 4.7 gpm, Shut Off Pressure (Maximum) 141 psi WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)