Quote:
Originally Posted by Bob Denman
Are you leaving the overhead vent in the bathroom open, while driving?
That can often end up drawing gases up out of the blackwater tank (via the toilet), and into the RV...
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Shouldn't be coming out of the toilet if a water seal is left on it, BUT:
Generally there is a heater vent in the bathroom
Generally there is a heater vent in the wet bay
If you have any stink in your wet bay it is easily drawn through the joined heater vents into the coach, especially if you are drawing a vacuum by leaving any roof vent open while driving.