SWS75 Well Jet Pump 0.75 Cast Iron Volute With Dedicated Priming Port For Volute Filling ,Not Damage Pump

3/4 ; max. Flow rate is 510 gallons per hour; (50 psi) 3/4 in. Npt dischar with 1-1/4 in. Suction Dual (120V/240V) high efficiency square flan motor (factory set for 240V) Pressure switch is pre-set at 30-50 psi for automatic operation cast iron volute with dedicated priming port for volute filling