Booster Pump Phase Three Pump Housing Material Cast Iron Motor Enclosure Totally Enclosed Fan Cooled Horsepower 3/4 hp Nameplate Voltage 208-230/460V AC Flow Rate @ 10 psi 40 gpm Flow Rate @ 20 psi 20 gpm Shut Off Pressure (Maximum) 27 psi Compatible Intake Pipe Size 1 1/4 in Compatible Discharge Pipe Size 1 1/4 in Intake Type Flange Mounting Orientation Vertical For Use With Potable Systems No Amps 2.5-2.4/1.2 A Best Efficiency Pressure 16 psi Case Pressure (Maximum) 362 psi