My submersible pump dongle (float switch) hangs in such a way as to not activate the pump until surrounding water is 10 inches deep. The pump will not automatically continue pumping until the storm shelter floor is dry. The pump sits in a cement bowl-like indentation in the shelter floor. Any thoughts from experts will be greatly appreciated.
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Born Yesterday's suggestion will result in the pump coming on in shallower water (probably good) and with adjustment (perhaps tedious) result in water level dropping into bowl, but not draining it, since the float merely holds a tilt switch.
To actually get the result you describe (many inches of water down to zero or nearly so) requires a different kind of switch where a float slides on a rod an turns on the pump switch at the top and then floats back down on the lowering water level until it hits another stop that finally turns off the switch. So it runs through the time to drain several inches.
Some refill valves on toilets (non-electrical) work like this.
Lee26Caloo秦君子蘭
TRY THESE.....
[1]CLEAR AWAY ANY GARBAGE OR DIRT THAT BLOCKING THE FLOATER .
[2] ADJUST THE FLOATER LEVEL SO THAT IT CAN ACTIVATE AT LOWER WATER LEVEL.
[3] CHANGE THE WHOLE PUMP.