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Old 01-18-2022, 02:54 PM   #1
JustinChase
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Join Date: Jul 2018
Posts: 34
Unhappy water pump runs continuously

If my holding tank is full, all is well. Once the level of the water in the tank drops below the pump, my pump will start to occasionally run continuously, until I turn on a faucet, then it will prime and start moving water.


As the water level drops, it gets worse. Once I'm down to about 15% full, it won't prime and will just run continuously. If I get it primed, it will pump the tank completely if I let it. It's only when I turn off demand that the pump runs without priming.


I've replaced with a new pump but it does the same thing.


I called Shurflo and he said he has no explanation and no suggestions to try to fix this


I have checked and the inlet screen is clean, and it doesn't seem to be sucking air anywhere, and the pump isn't leaking.


I have no idea how to proceed from here.
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