Multi-Stage Booster Pump Phase Single Pump Housing Material Stainless Steel Motor Enclosure Open Dripproof Horsepower 2 hp Nameplate Voltage 115/230V AC Flow Rate @ 20 psi Not Applicable Flow Rate @ 30 psi 37.5 gpm Flow Rate @ 40 psi 36 gpm Flow Rate @ 50 psi 35 gpm Flow Rate @ 60 psi 34 gpm Flow Rate @ 80 psi 30 gpm Flow Rate @ 100 psi 27 gpm Flow Rate @ 120 psi 22 gpm Shut Off Pressure (Maximum) 155 psi Compatible Intake Pipe Size 1 in Compatible Discharge Pipe Size 1 in