Sprinkler Pump Phase Single Pump Housing Material Plastic Horsepower 1/2 hp Nameplate Voltage 120/208-240V AC Suction Lift (Maximum) 20 ft Flow Rate @ 10 psi 43 gpm Flow Rate @ 20 psi 35 gpm Maximum Feet of Head 64 ft Shut Off Pressure (Maximum) 28 psi Compatible Intake Pipe Size 2 in Compatible Discharge Pipe Size 1 1/2 in Intake Type NPT Motor Enclosure Totally Enclosed Fan Cooled Priming Self-Priming Best Efficiency Flow 35 gpm Best Efficiency Head 46 ft of head