Star Water Systems 1 HP 3780 gph Cast Iron Sprinkler Pump1 HP Lawn Sprinkler Pump, Dual Voltage, Single Phase, Self Priming With Heavy Duty 56 Frame Motor, 0' @ 35 PSI = 2280 GPH, 5' @ 35 PSI = 1920 GPH, 15' @ 35 PSI = 1440 GPH, 25' @ 35 PSI = 840 GPH, 1 Year Warranty. Made in the USA 1 HP Lawn sprinkler pump for lawn sprinkling, irrigation and water transfer. Features a 2 inch suction pipe tap, 1 1 2 inch discharge pipe and easy access drain plug. Heavy duty cast iron sprinkler pump with 115 230 Dual