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  1. #1
    Site Sponsor
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    Black tank smell/ vent plug

    Is it possible for the vent on roof for black tank to plug?. We have been getting an odor when we flush toilet.
    I have completely flushed the tanks twice. It has been noticed for a couple of weeks.
    Anyone had any experience with this problem.
    We are on full hookup, and it has been in the +90 deg here in AZ.
    Donít know if temp has anything to do with it.
    Thanks
    2016 Ram 3500 SWD 3:73 Turbo Diesel 6'4"" box
    OEM puck Pro 16K
    2021 Reflection 311BHS
    Previous:
    2017 Reflection 29RS
    Reese Sidewinder Hitch
    Platte Lake MN.

  2. #2
    Site Sponsor Keebler's Avatar
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    I know I have encountered odors that were corrected by changing out the Air Admittance Valve. On mine, the valve was located under the bathroom sink.
    2017 Ford F350 Platinum 6.7L PowerStroke DRW
    2017 Solitude 379FLS; Sailun LR-G tires

  3. #3
    Site Sponsor Richter's Avatar
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    You also don’t want to flush when the fan is on. This will pull odors out of the tank and into the bathroom.
    Tom and Janice (known as Tom in PGH on the ďotherĒ forum)

    First came the 18' Comfort bumper-pull, was great for 20 years.
    Now a 2019 Reflection 303RLS, second air, double glass, table and chairs
    2019 F350 Lariat (Diesel) 4x4 Crewcab with lots of goodies
    Andersen aluminum with the puck system holding it all together
    Cranberry Twp. PA, about 30 miles north of Pittsburgh

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