Sewer odor when towing
We have noticed a strong sewer odor inside our 5th wheel when we stop for a break or to set up for the night. I have checked to ensure there is water in the bottom of the stool that creates the seal a...
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Air admittance valves can let grey tank odors into the rv and they smell just as bad as the black tank odors. There is usually one under each sink. Cheap and easy to replace - purchase at Lowe's type big box stores around $20. Screw old one out - new one in.
