We have an intermittent odor coming from the bathroom when driving. It seems to be related to the drivers or passenger window being open. The toilet bowl seals properly as evidence by water remaining ...
Air Admittance Valve. Can you tell I'm new to this RV'n thing? Ill bag it and take it for a test drive Old-Biscuit. Ive driven with draips plugged GMandJM but still had the odor. Shower's ruled out as its not in the bathroom but smell definitely in there. Thanks guys.