Booster Pump Phase Single Pump Housing Material Cast Iron Motor Enclosure Open Dripproof Horsepower 1/3 hp Nameplate Voltage 115/230V AC Flow Rate @ 10 psi 20 gpm Flow Rate @ 20 psi 18 gpm Flow Rate @ 30 psi 15.4 gpm Flow Rate @ 40 psi 12 gpm Flow Rate @ 50 psi 6.7 gpm Shut Off Pressure (Maximum) 58 psi Compatible Intake Pipe Size 3/4 in Compatible Discharge Pipe Size 3/4 in Intake Type NPT Mounting Orientation Horizontal For Use With Potable Systems No Amps 7.5/3.8 A