It's back....and I'm stumped
Last week I replaced the closet flange seal on my Thetford toilet because I was getting odor in the bathroom when driving or when my fantastic fan was on. At the time it seemed to have worked, but I ...
Forum Discussion
New toilet floor flange......no odor thru mechanical seal unless torn or toilet loose
New air admittance valve.....no odor thru mechanical seal (throw a baggie over it to test---turn on exhaust fan HIGH)
Toilet bowl holding water......no odors thru water barrier (unless you can see bubbles churning up thru water)
Vent line........if plugged you would get 'burps' back up thru toilet when flushing and/or black tank would not drain very well
Toilet line to tank (or vent line from tank) may go thru a rubber grommet (gasket) could be allowing odors to come out of black tank and then get pulled up into bathroom thru holes/openings
Or you could have a crack in vent line inside wall and odors are getting pulled into bathroom
New air admittance valve.....no odor thru mechanical seal (throw a baggie over it to test---turn on exhaust fan HIGH)
Toilet bowl holding water......no odors thru water barrier (unless you can see bubbles churning up thru water)
Vent line........if plugged you would get 'burps' back up thru toilet when flushing and/or black tank would not drain very well
Toilet line to tank (or vent line from tank) may go thru a rubber grommet (gasket) could be allowing odors to come out of black tank and then get pulled up into bathroom thru holes/openings
Or you could have a crack in vent line inside wall and odors are getting pulled into bathroom
