Quote:
Originally Posted by rdklhoon
We have a sewer smell coming into camper when we run the air. It seems to be pressurizing the cabin and pulling the smell from under the sink in the bathroom and the kitchen sink. We do not get this smell when the air is not running. There does not seem to be an issue with any traps. Would the vents under the bathroom sink and kitchen sink create a smell as we assume they are vented from the gray tank?
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There's a valve under the sinks that often go bad. Many people have said they replace them with a higher end valve as a precaution. I don't know what they're called, but you can either do a search on this forum or wait, as I know someone will respond regarding them. They sound easy to replace.