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 Not Applicable Flow Rate @ 30 psi 27 gpm Flow Rate @ 40 psi 25 gpm Flow Rate @ 50 psi 23.5 gpm Flow Rate @ 60 psi 21 gpm Flow Rate @ 80 psi 15.5 gpm Flow Rate @ 100 psi 9 gpm Flow Rate @ 120 psi Not Applicable Shut Off Pressure (Maximum) 111 psi Compatible Intake Pipe Size 1 1/4 in