Forum Discussion

balesfam's avatar
balesfam
Explorer
May 06, 2017

water pump check valve

I have a bad check valve in my water pump. When hooked up to city water my fresh water tank fills over night. I know for sure because I have a by- pass valve I use for pumping antifreeze into the system for winterizing, and water will seep through when it is closed, meaning, closed from sucking from the fresh water tank and sucking from the antifreeze jug. My Question is, can I use this by-pass valve as a check valve to keep water from filling fresh water tank. The by-pass valve is between the tank and the pump.
  • golf_bears's avatar
    golf_bears
    Explorer
    May 06, 2017
    If I read this correctly, your by-pass valve also leaks. If that is the case and you switch to it and remained hook up to city water, water will leak through your by-pass valve also. So depending on the location of the by-pass valve hose you may end up with water in the belly of your RV.

    You need to either replace the check valve in the pump or get a new pump.

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