Centrifugal Pump Phase Single Pump Housing Material Aluminum Horsepower 1/2 hp Nameplate Voltage 115V AC Flow Rate @ 40 ft of Head (Maximum) 6 gpm Maximum Feet of Head 46 ft Compatible Intake Pipe Size 1 in Intake Type NPT Compatible Discharge Pipe Size 1 in Discharge Type NPT Motor Enclosure Open Dripproof Flow Rate @ 5 ft of Head (Maximum) 41 gpm Flow Rate @ 10 ft of Head (Maximum) 38 gpm Flow Rate @ 15 ft of Head (Maximum) 35 gpm Flow Rate @ 20 ft of Head (Maximum) 32 gpm