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
wrenchbenderExplorerDec 15, 2014After rinsing the grey water tank pour about 2 cups of ammonia down the sink drain and let it set for an hour.