Multi-Stage Booster Pump Phase Three Pump Housing Material Stainless Steel Motor Enclosure Open Dripproof Horsepower 1 1/2 hp Nameplate Voltage 208-230/460V AC Flow Rate @ 20 psi 44 gpm Flow Rate @ 30 psi 42 gpm Flow Rate @ 40 psi 39 gpm Flow Rate @ 50 psi 35.5 gpm Flow Rate @ 60 psi 31 gpm Flow Rate @ 80 psi 16 gpm Flow Rate @ 100 psi Not Applicable Flow Rate @ 120 psi Not Applicable Shut Off Pressure (Maximum) 93 psi Compatible Intake Pipe Size 1 1/4 in