Sewer smell when using exhaust fans
Have 2014 Open Range Journeyer. When we use the exhaust fans there is a terrible sewer smell coming from kitchen drains and the cabinet underneath. Black line is closed, grey line is open. We use a g...
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I have an Open Range RV also and had the *exact* same problem. Like others have said, it's the air valve under the sink. Until you can replace it, a temporary solution is to rubber band a zip lock bag over it. I did that because ours failed in the middle of a trip and the smell went away. The grey tank still drained fine also, maybe just a touch slower.
