Gray Tank Smell (Seriously annoying)
I love our travel trailer, but we have been having some serious issues with a very potent smell. Issue: Every time we run the kitchen faucet we get a rotten egg smell out of both of our A/C units ...
Forum Discussion
It's a one way valve to allow air into the drain pipes. You can see a picture of one at this link.https://www.homedepot.com/p/Oatey-1-1-2-in-ABS-In-Line-Cheater-Air-Admittance-Vent-39012/100204205#overlay
