Sewer/black tank smell inside trailer
Hello all, I just bought a lightly used 2007 Attitude 26FSK hauler. We put 3 trips on it and after every trip when it sits it gets a sewage or black tank smell inside the trailer. After I use it the t...
Forum Discussion
As suggested..replace the 'air admittance valve(s)' They have probably dried out (rubber flapper) in that '07 rig.
They are screwed onto a short stub pipe just after the sinks 'P' traps.
When they don't close, grey tank odors can be pulled inside trailer..grey stinks as bad as black.
Available at most hardware stores.....couple of bucks. Just hand tight...no tools needed
When the barriers are properly working no waste tank odors can come back inside RV even IF black tank was full of poop
Toilet bowl holds water...vapor barrier
'P' traps holding water....vapor barrier
Toilet floor flange sealing...mechanical barrier
Air admittance valves closing properly....mechanical barrier
Tank vent clear........dissipates odors out above rig/prevents pressure build up so odors can't be pushed inside rv.
Look under kitchen & bathroom sinks for these....
They are screwed onto a short stub pipe just after the sinks 'P' traps.
When they don't close, grey tank odors can be pulled inside trailer..grey stinks as bad as black.
Available at most hardware stores.....couple of bucks. Just hand tight...no tools needed
When the barriers are properly working no waste tank odors can come back inside RV even IF black tank was full of poop
Toilet bowl holds water...vapor barrier
'P' traps holding water....vapor barrier
Toilet floor flange sealing...mechanical barrier
Air admittance valves closing properly....mechanical barrier
Tank vent clear........dissipates odors out above rig/prevents pressure build up so odors can't be pushed inside rv.
Look under kitchen & bathroom sinks for these....
