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...
Forum Discussion
wildtoad wrote:
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.
Air Admittance Valve.....
Installed on a stub pipe on kitchen sink drain line after 'P' trap
Allows air into that section of drain line when draining waste tank.
Keeps 'P' trap from getting sucked dry
(could be one on bathroom sink drain line also)
Just hand screwed into stub pipe
