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  1. #1
    Left The Driveway
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    Black Tank Valve Stuck Open - Momentum 376TH

    All my valves have worked great since I've had this trailer, and this last time out the Black Tank valve is stuck open. Recommendations? I pulled off the dividers to see the cables all drop through the floor - looks like it might be over the axles and insulation. Not sure the best way to get to the actual valve itself. Thanks in advance for any advice.

  2. #2
    Site Team Soundsailor's Avatar
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    For a quick fix you could add a gate valve such as this one: https://smile.amazon.com/gp/product/B000BGHYJS

    BTW, welcome to the forum.
    Stephen and Judy
    2022 Reflection 150 Series 260RD (Stella)
    2017 Chevy Silverado 2500 HD (Blue)
    Traded - 2018 Forest River Rockwood Minilite 2104S

  3. #3
    Big Traveler dryfly's Avatar
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    Quote Originally Posted by Barlando View Post
    I pulled off the dividers to see the cables all drop through the floor - looks like it might be over the axles and insulation.
    I don't understand what you mean by this, but to access and repair/replace a waste tank valve you remove the coroplast underbelly. If the exact location of the valve is know, it's sometimes possible to cut an access hole in the coroplast.

    It might help more if you tell us what trailer you have.
    @Soundsailor is right on with the suggestion of the Valtera valve quick fix.
    2020 Reflection 273MK

  4. #4
    Site Team WhittleBurner's Avatar
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    Do the cable pulls feel stuck or pulling easier than before? If easier then the cable could have come off the valve assembly..no way to fix without dropping the coroplast , but the repair itself is easy. If it is binding then likely will have too run a new cable.. either will give you the advantage or re routing the cables.
    Marcy & Gary
    2014 Grand Design - Reflection 303RLS
    2022 GMC 3500 Denali Duramax Longbed SRW
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    We're in trouble now, the dog are bloggin'!
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  5. #5
    Seasoned Camper Just Krusen's Avatar
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    I replaced my black tank valve a couple of years ago. Installed a Valterra electric valve. It’s been flawless since.
    Pam & Ed
    "Just Kruse'n"

    Momentum 376TH (New 11/04/2016)
    Full Timing since 11/04/2016
    2017 Ram 3500 DRW Aisin 3.73

  6. #6
    Left The Driveway
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    Quote Originally Posted by Soundsailor View Post
    For a quick fix you could add a gate valve such as this one: https://smile.amazon.com/gp/product/B000BGHYJS

    BTW, welcome to the forum.
    Good idea!! I do already have one of those, time to install it.

  7. #7
    Left The Driveway
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    It's a 2018 Momentum 376TH.

  8. #8
    Left The Driveway
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    All the valves have worked flawlessly before. This last time I went to dump the black tank and it's stuck in the open position, the lever won't slide back in at all. I pulled off the backing where the cables go into the fake wall and see them drop down in over the triple axles. If I can find out exactly where it is, I'll cut into the coroplast.

  9. #9
    Seasoned Camper Just Krusen's Avatar
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    Quote Originally Posted by Barlando View Post
    All the valves have worked flawlessly before. This last time I went to dump the black tank and it's stuck in the open position, the lever won't slide back in at all. I pulled off the backing where the cables go into the fake wall and see them drop down in over the triple axles. If I can find out exactly where it is, I'll cut into the coroplast.
    Black tank valve is roughly above the center axle on driver side on my 2017 376.
    Pam & Ed
    "Just Kruse'n"

    Momentum 376TH (New 11/04/2016)
    Full Timing since 11/04/2016
    2017 Ram 3500 DRW Aisin 3.73

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