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 Not Applicable Flow Rate @ 40 psi 27 gpm Flow Rate @ 50 psi 25 gpm Flow Rate @ 60 psi 23 gpm Flow Rate @ 80 psi 19.5 gpm Flow Rate @ 100 psi 15 gpm Flow Rate @ 120 psi 10 gpm Shut Off Pressure (Maximum) 135 psi Compatible Intake Pipe Size 1 1/4 in