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  1. #1
    Site Sponsor Flip94ta's Avatar
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    Burnt Water Heater Wires

    I知 looking for feedback on what caused these wires to burn. I ran a long piece of plastic tube downward and upward several times through the intake/exhaust pipe and I知 pretty sure there are no blockages. I went all the way though about 6 times and saw no debris. Since the foam on the pressure valve also burnt I suspect I知 looking at a propane flashback of some sort? Click image for larger version. 

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ID:	32589

    2013 Suburban 2500 6.0L, 3.73 gears, Airlift Ridecontrol
    2019 Imagine 2500RL, 640w Solar, Lion UT1300s

  2. #2
    Site Team Ynot4me2's Avatar
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    I'm guessing there might have been a little critter nest in the propane tube or webs.

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    Steph & Lise
    2019 F150 Lariat 2.7 EB
    2020 Imagine XLS 22MLE

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    Site Sponsor
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    Had this happen on a previous 5er. The mother board shorted out. Cost me $300 to have a mobile tech replace it.
    2018 Solitude 375 RES 2015 F350 Powerstroke Dually

  4. #4
    Site Sponsor Flip94ta's Avatar
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    I haven’t it checked yet since I just pulled it from storage but I’m pretty sure both the electric and propane heat sources still work. What are the two things under the pad that the wires go to? Are they the temp sensors?

    Those pics don’t look as good on here as they do on my phone. The burning stops right at the pressure valve. It’s definitely flame related vs electrical. The connector for the two red wires and the bottom of the ground wire were both singed. It’s always something. Putting in an order for bug guards.

    2013 Suburban 2500 6.0L, 3.73 gears, Airlift Ridecontrol
    2019 Imagine 2500RL, 640w Solar, Lion UT1300s

  5. #5
    Seasoned Camper
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    given the location of your pressure relief valve output, it could have been the result of a small water leak from the valve resulting in a short of the wires below to the metal heat shroud on the left. The propane flashback theory is also valid. Both switches are easily replaced if that and the wiring is all that was affected.
    Jeff and Debbie
    2021 Imagine 2250RK
    2015 Ram2500 Laramie CC 6.7 Cummins Diesel w/air-ride auto leveling
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