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  1. #1
    Setting Up Camp
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    2020 349M Plumbing Question

    Hey all just a quick question on my 2020 349M. What are these two blue pex lines in my compartment where my master controls are? One has a blue on off valve and one has a red on off valve? Are these to open when you winterize and blow coolant through the plumbing lines, they just terminate under the rig and are like drains once the valves are open. Pics won’t upload due to shitty service where I am. Thx

  2. #2
    Long Hauler geotex1's Avatar
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    Low-point drains. Opened when flushing the water system, sterilizing, winterizing.
    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

  3. #3
    Setting Up Camp
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    Thank you, I kind of figured that but wasn’t sure.

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