750GPH automatic bilge pump with float switch, it not required any float switch when use. Also the pump turns on when water level rise & shuts off when is removed. The bilge pump typically used in boat hulls / bilges, bait tanks, ponds, pools, spas and other applications where you have to remove water from.
Note: These pumps are designed for intermittent use only, NOT designed for continuous use
Note: Bilge and aerator pumps must be lower than the source of water for priming