Does any one have a issue with the vent less vents for the sinks going to the grey tanks? We can turn on the ceiling fan in bath room during a shower and this awful smell goes through out the motorhome. I looked under the sinks and the smell got even worse. I am guessing this is bad... Here are a few of what it looks like.
https://www.amazon.com/s?ie=UTF8&nod...tance%20valves
What to do to stop the smell or should I just replace all of them?
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