Booster Pump, Phase Three, Pump Housing Material Cast Iron, Motor Enclosure Open Dripproof, Horsepower 3 hp, Nameplate Voltage 208-230/460V AC, Flow Rate @ 30 psi 39 gpm, Flow Rate @ 40 psi 37 gpm, Flow Rate @ 50 psi 33 gpm, Flow Rate @ 60 psi 30 gpm, Flow Rate @ 70 psi 22 gpm, Flow Rate @ 80 psi 16 gpm, Flow Rate @ 90 psi 10 gpm, Shut Off Pressure (Maximum) 92 psi, Compatible Intake Pipe Size 1 1/2 in, Compatible Discharge Pipe Size 1 1/4 in, Intake Type NPT, Mounting Orientation Horizontal WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)