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...
Forum Discussion
Your trap or Air admittance valve should be blocking those fumes. Why are you leaving your gray valve open? Leaving the valve open can be a source for issues including sewer flies.
