Goulds GT30 IRRI-GATOR® Model GT30 Self-Priming Centrifugal Pump 1 Phase 3HP - This pump has a self-priming design. Once the pump is initially primed and filled with water, it will reprime when the water level rises above the end of the suction pipe. The back pullout design allows disassembly of pump for service without disturbing piping. There is a two compartment motor for easy access to motor wiring and replaceable components.