Sewer smell in trailer and under kitchen sink
We have a new to us (2014) travel trailer and have had it out 3 times so far this year. It's a smaller trailer (22 ft.) and therefore has a small black water holding tank (I believe 26 gallon). We a...
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See if there is a pipe with a round vent cap under the kitchen sink. If there is this is a vacuum breaker and could have gone bad. They are available at lowes or other stores.
