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  1. #1
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    Where is shower p-trap located

    Unit is a 2019 Momentum 395M. Trying to located shower p-trap. Is it under the rv hidden by the black under belly? If so, do you have to remove the entire under belly? Is it a difficult job? Trying to locate grey water smell in the bathroom area.

  2. #2
    Paid my dues 😁 FT4NOW's Avatar
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    Looking at your floor plan, if I were to guess, you might be able to get to it by removing the rear wall of the pass through storage. It should be a Hepvo waterless trap, probably not a traditional ptrap unless they've changed the design.

    Might want to look at your AAV under the sink for the source of smell, they are known to fail.
    2023 Momentum 398M-R
    2023 Ford F-450

    SOLD - 2021 Reflection 311BHS
    SOLD - 2017 Momentum 399TH

  3. #3
    Rolling Along
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    I have noticed a smell after dumping of the trailers is closed right. Got in the habit of at least cracking a roof vent while dumping. Seems to help. Suspect is related to aav valve performance.
    2021 Reflection 312 BHTS, Silverado 2500 Duramax

  4. #4
    Rolling Along
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    Quote Originally Posted by Frank P View Post
    Unit is a 2019 Momentum 395M. Trying to located shower p-trap. Is it under the rv hidden by the black under belly? If so, do you have to remove the entire under belly? Is it a difficult job? Trying to locate grey water smell in the bathroom area.
    In my 2021 there is no P trap. Under the shower in the crawl through is a white filter looking thing. That is your "p trap" for this one.

  5. #5
    Paid my dues 😁 FT4NOW's Avatar
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    Quote Originally Posted by A.Texas.Yankee View Post
    In my 2021 there is no P trap. Under the shower in the crawl through is a white filter looking thing. That is your "p trap" for this one.
    That is the Hepvo waterless trap I mentioned earlier.
    2023 Momentum 398M-R
    2023 Ford F-450

    SOLD - 2021 Reflection 311BHS
    SOLD - 2017 Momentum 399TH

  6. #6
    Rolling Along
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    Quote Originally Posted by FT4NOW View Post
    That is the Hepvo waterless trap I mentioned earlier.
    Your are correct. Ain't worth a damn, IMO.

  7. #7
    Paid my dues 😁 FT4NOW's Avatar
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    Quote Originally Posted by A.Texas.Yankee View Post
    Your are correct. Ain't worth a damn, IMO.
    I never said it was good....

    The two in my 399 weren't great, one was installed backwards, it was a mess since it kept collecting little hairs and all that on it and eventually clogged. The one for my washer hookup had the trap part inverted which prevented any flow and let the washer dump all over the floor on my first test of the washer. I wasnt impressed either.
    2023 Momentum 398M-R
    2023 Ford F-450

    SOLD - 2021 Reflection 311BHS
    SOLD - 2017 Momentum 399TH

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