Centrifugal Pump Phase Three Pump Housing Material Cast Iron Horsepower 1/2 hp Nameplate Voltage 208-230/460V AC Flow Rate @ 40 ft of Head (Maximum) 10 gpm Maximum Feet of Head 44 ft Compatible Intake Pipe Size 1 1/4 in Intake Type NPT Compatible Discharge Pipe Size 1 in Discharge Type NPT Motor Enclosure Open Dripproof Maximum Flow Rate 67 gpm Flow Rate @ 10 ft of Head (Maximum) 67 gpm Flow Rate @ 15 ft of Head (Maximum) 63 gpm Flow Rate @ 20 ft of Head (Maximum) 57 gpm