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) 23 gpm Maximum Feet of Head 52 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 37 gpm Flow Rate @ 20 ft of Head (Maximum) 37 gpm Flow Rate @ 30 ft of Head (Maximum) 30 gpm Flow Rate @ 50 ft of Head (Maximum) 6 gpm