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  1. #1
    Rolling Along jim1521's Avatar
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    Vent cover for fresh water tank?

    I’ve got a vent cover on the roof that has crumbled from the sun. I believe it is for the fresh water tank. It is white, and is the only one that threads on. Here’s a picture of it. It is in the very center of the roof, about 5” in diameter. This picture shows it with the cover removed.

    Click image for larger version. 

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    I can’t find it anywhere on the parts list. Does anybody know what this part number is?

    EDIT: I think I found it:
    https://www.etrailer.com/RV-Vents-an...202-29125.html

    I’ll let you know if it fits.
    Last edited by jim1521; 09-23-2019 at 07:52 PM.
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  2. #2
    Site Sponsor gbkims's Avatar
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    Looks like an attic vent.
    Exterior > Attachments

    https://www.granddesignrv.com/owner-...s/detail/22400
    VENT ATTIC WHITE PU 03230 NO LONGER AVAILABLE SEE 590557

    https://www.granddesignrv.com/owner-...s/detail/40996
    590557 : VENT ATTIC 5 1/4 X 1 1/4 WHITE EXTERIOR VENT

    Reminds me a bit of the JR Products 02-29125 Mushroom Style Plumbing Vent.
    - Gene

    Kim & Gene
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  3. #3
    Rolling Along jim1521's Avatar
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    Gene, yep that's the one!
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  4. #4
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    That is an attic vent. Not a tank vent. Your fresh water tank vent is also the overflow. It is a small piece of PEX pipe sticking below the trailer. The grey & black tanks are vented through the roof in (most likely) a single combined vent stack.

    Chris
    Chris & Karen
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  5. #5
    Rolling Along jim1521's Avatar
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    Quote Originally Posted by CoChris View Post
    That is an attic vent. Not a tank vent. Your fresh water tank vent is also the overflow. It is a small piece of PEX pipe sticking below the trailer. The grey & black tanks are vented through the roof in (most likely) a single combined vent stack.

    Chris
    Chris, thanks for that info. I never knew there was an attic vent!

    I have three black colored roof vents, 2 for the two gray tanks and one for the black tank.
    Last edited by jim1521; 09-24-2019 at 06:37 AM.
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  6. #6
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    Jim, did you get the one from etrailer and did it work? I also need this vent cover.
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