Constant Pressure Booster Pump Phase Single Pump Housing Material Stainless Steel Horsepower 2 hp Nameplate Voltage 230V AC Maximum Flow Rate 50 gpm Minimum Flow Rate 40 gpm Maximum Feet of Head 110 ft Pressure Boost (Maximum) 47 psi Pressure Boost (Minimum) 30 psi Tank Type Includes Pressure Tank Tank Capacity 4.5 gal Intake Type NPT Compatible Intake Pipe Size 1 1/2 in Compatible Discharge Pipe Size 1 1/4 in Motor Enclosure Totally Enclosed Fan Cooled Discharge Type NPT