Turn the pump on when the water level reaches 2" (51mm) and turn off the pump when the water level reaches 3/4" (19mm). The switch can be removed from the base for easy cleaning and servicing. WIDE APPLICATION: This automatic float switch can be widely used in fishing boats, cruisers, runabouts, yachts, aquariums, small swimming pools, water reservoirs, fountains and other places that need drain the water.
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