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The Little Giant Low Water Auto Cut-Off Switch converts any manual pump (20 max. run amps), to automatic. It will automatically shut off the pump before expensive damage or complete burn up.
For Universal installation the cut-off switch can be attached to a pipe
with the cable ties provided. When the water goes below the switch it
will shut off your submersible pump that is piggybacked to the electric
outlet of the Little Giant Low Water Auto Cut-Off Switch. When the water level returns to normal levels, the switch will automatically restart power to the pump.