city water overflowing into fresh water tank

kteichert · May 2023

It looks like when I turn on the city water instead of the water shutting down when no water is being called for it is running into the fresh water tank then overflowing out the overflow vent. How do I fix that? It is a 2018 T@b 400.

Sharon_is_SAM · May 2023

The issue is the water pump check valve. See here;

https://tab-rv.vanillacommunity.com/discussion/7451/city-water-fresh-water-tank-cross-connect

kteichert · May 2023

Thanks Sharon- this makes sense - we were going to replace the pump anyway so I have a replacement ready - hopefully that will do the trick

Sharon_is_SAM · June 2023

@kteichert - there is also a check valve at the city water port. Please email nuCamp at Help@nucamprv.com to confirm which check valve is the culprit!

city water overflowing into fresh water tank

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