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Old 06-01-2020, 06:36 PM   #1
Sweetrig
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M.O.C. #23059
Unhappy City water connection overflowing

Hooked up to the water at a campsite with a water regulator. Winterize is set to off. Tank fill is set to normal flow (versus fill). Pump is off. After a few hours there is a stream of water coming out of a port on the side of my 2014 Mountaineer.

To keep water from running out of this port I hook up to the fresh water connection and turn on the pump.

Please let me know what I am doing wrong or what should be checked.
Signed- Overflowing with confusion
 
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Old 06-01-2020, 07:39 PM   #2
AZ Traveler
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M.O.C. #20477
Sounds like a bad check valve in your pump. The pumps are cheap and easy to swap out.
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Old 06-01-2020, 09:50 PM   #3
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M.O.C. #12947
It's either replace the pump, highly unlikely you will be able to find a replacement check valve, though you could take it apart and try to clean out any debris in it keeping the valve open which allows water to flow back to the tank. I had the same situation some years ago and installed a check valve in the PEX on the pressure side of the pump which resolved the problem. It's still installed, even though I've since replaced the pump due to a different issue. In the photo, it's the brass fitting in the lower center of the photo.
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Old 07-02-2020, 12:46 PM   #4
KIEHLS
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M.O.C. #19410
Bob,

I had the same issue and added the check valve to prevent overflow while waiting on replacement pump, but now the pump clicks about every second or two. I don't need the pump with city connection but...bad pump?
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Old 07-22-2020, 08:03 AM   #5
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M.O.C. #25987
If by pump clicking you mean that it's cycling, then you need to adjust the pressure switch OR you have a bad check valve. Adjustment is easy - however, on mine I had to rotate the pump and remount it so I had access.
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Old 07-22-2020, 09:19 PM   #6
rohrmann
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M.O.C. #12947
If you are on City Water, you should probably have the pump turned off. Not sure what the clicking would be from, as the pump is either running providing water or it is off, waiting for a faucet to be turned on.
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Old 07-23-2020, 04:51 PM   #7
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Thanks, I got the new valve with instructions which mentioned being able to adjust it. With the new valve it neither cycles nor clicks nor overflows the fresh tank. All is well and I now have a spare pump. I may have to clean it out and/or adjust the setting if I need to use it again.
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Old 07-23-2020, 04:56 PM   #8
KIEHLS
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Rohrmann,

I do not have the pump on with city water. The old pump would cycle for a second every couple of minutes, but after adding the check valve like you recommended it would just click every second or two...weird. New pump is working as expected...no cycles no clicks when on (city water off). Seldom need it unless my RV park shuts off water for maintenance. Thanks for the info.
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