Centrifugal Pump Phase Single Pump Housing Material Cast Iron Horsepower 1/3 hp Nameplate Voltage 115/230V AC Flow Rate @ 40 ft of Head (Maximum) 4 gpm Maximum Feet of Head 41 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 @ 10 ft of Head (Maximum) 43 gpm Flow Rate @ 15 ft of Head (Maximum) 40 gpm Flow Rate @ 20 ft of Head (Maximum) 36 gpm Flow Rate @ 30 ft of Head (Maximum) 27 gpm