Sump Pump - Running until no water left - OK to do?

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SephYuyX

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Have not been able to find a definitive answer on whether or not this is a bad thing or not.

Inside house basement, inside an enclosed mostly clean basin/pit, Zoeller 50/90 brand, and a weep hole present on output with check valve. I added a "HyrdoCheck" system to it where there are high/low on/off sensors that triggers the pump on and off based on where the two sensors are placed instead of the pump's float. I have the low/off sensor almost touching the bottom of the pit, on purpose.

When the pump runs, it runs until no water is left and you can hear it gurgle/sucking up every last drop until it shuts off. Worse case it's only running "dry" for a second. Is there any negative to doing it this way? I've had it this way for months with no immediate issues, should I be worried about longevity or anything else?
 

Fitter30

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No it not good especially if its a submersible uses water for cooling and possibly lubrication. Even though the motor has thermal protection if it trips off when the motor cools it will restart the pump.
 

Reach4

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Probably no harm for such a short time. But why not raise the lower probe a half inch?
 
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