Hobogoneat10ExplorerDec 13, 2014Sewer smell when using exhaust fansHave 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...Show More
gboppExplorerDec 13, 2014Did you check to see if you have an Air Admittance Valve under the sink?Maybe it's bad.