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  1. #1
    Site Sponsor Pap and Mimi's Avatar
    Join Date
    Jun 2019
    2 Post(s)
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    Plumbing addition

    So I plumbed my black tank flush into the plumbing in the basement. Vacuum breaker is still in place plus I added an inline check valve just for extra safety.
    Planned on adding a picture of the valve, but donít see a way to do it from my phone.
    2019 2970RL
    2020 F250

  2. #2
    Paid my dues 😁 FT4NOW's Avatar
    Join Date
    Sep 2016
    136 Post(s)
    0 Thread(s)
    The check valve defeats the purpose of the vacuum breaker. Water actually needs to he able to backflow out of the inlet to drain the line out.

    Sent from my SM-G950U using Tapatalk
    2023 Momentum 398M-R
    2023 Ford F-450

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

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