Multi-Stage Booster Pump Phase Single Pump Housing Material Stainless Steel Motor Enclosure Open Dripproof Horsepower 1/2 hp Nameplate Voltage 115/230V AC Flow Rate @ 20 psi Not Applicable Flow Rate @ 30 psi Not Applicable Flow Rate @ 40 psi Not Applicable Flow Rate @ 50 psi 10 gpm Flow Rate @ 60 psi 9.5 gpm Flow Rate @ 80 psi 9 gpm Flow Rate @ 100 psi 6.5 gpm Flow Rate @ 120 psi 4.5 gpm Shut Off Pressure (Maximum) 150 psi Compatible Intake Pipe Size 1 in