Smell - Pipe Air Vents
We had that terrible sewer smell in our 5w this past weekend. Seemed to be strong in the stairway going up to the bedroom. It wasn't there all the time. So, I'm checking all the vents out...all ope...
Forum Discussion
Sounds like one of your one way drain vent valves is stuck. They are by each sink and look like a short section of pipe with slots around the device. They allow air into the pipe as water runs through it. If it sticks in the open position you get the sewer smell.
