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  1. #11
    Seasoned Camper
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    Sep 2016
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    Crossville, TN
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    The pdf in post one of this thread is the 'bible' when it comes to plumbing in our units. It explains so much.

    https://www.mygrandrv.com/forum/show...lection-303RLS

  2. #12
    Long Hauler geotex1's Avatar
    Join Date
    Sep 2019
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    Quote Originally Posted by Ron3rd View Post
    What if I used a 1/4 turn shut off valve on the two hoses with 1/2" compression fittings?

    They're the 1/2 " red and blue hoses leading up to the bathroom faucet. All of this came about because I replaced the junk plastic single handle faucet in the bathroom with a nice Delta dual handle faucet. I cut the lines 1/2 way down from the old faucet to get the piece of junk out figuring I would just splice them back in.
    Honestly, your best course is to replace the entirety of the vinyl with PEX. You'll just need to get behind the bulkhead. You will find the vinyl to be a nagging problem. You read here in the archives you will see how many of us been here and have replaced/working to replace the vinyl.
    Rob & Nikki + Cloverfield
    2020 Grand Design Solitude S-Class 3350RL
    2015 RAM 3500 Longhorn Laramie Crew Cab, Long Bed, 4x4 Dually Cummins/AISIN

    Mountains of Pennsylvania

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