Booster Pump, Phase Single, Pump Housing Material Cast Iron, Motor Enclosure Open Dripproof, Horsepower 1/2 hp, Nameplate Voltage 115/230V AC, Flow Rate @ 10 psi 20 gpm, Flow Rate @ 20 psi 19 gpm, Flow Rate @ 30 psi 17.7 gpm, Flow Rate @ 40 psi 16 gpm, Flow Rate @ 50 psi 13.5 gpm, Flow Rate @ 60 psi 10 gpm, Flow Rate @ 70 psi 5 gpm, Shut Off Pressure (Maximum) 77 psi, Compatible Intake Pipe Size 3/4 in, Compatible Discharge Pipe Size 3/4 in, Intake Type NPT, Mounting Orientation Horizontal WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)