Description Sprinkler pumps 1-1/2 hp - self-priming cast iron Ideal for use in underground or above ground lawn sprinkling systems, garden irrigation, boosting household water pressure, and recirculation of large volumes of water. Heavy-duty cast iron pump housing engineered for high-efficiency - quiet operation and rust and corrosion resistant. 115/230 volt heavy duty motor with voltage selector allows for simple connection to existing power source. Self-priming design - after initial fill, no additional priming required during operation. 71 GPM. Ideal for use in underground or above ground lawn sprinkling systems, garden irrigation, boosting household water pressure, and recirculation of large volumes of water. Heavy-duty cast iron pump housing engineered for high-efficiency - quiet operation and rust and corrosion resistant. 115/230 volt heavy duty motor with voltage selector allows for simple connection to existing power source. Self-priming design - after initial fill, no additional priming required during operation. 71 GPM.