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Daryles · 06-09-2022, 08:04 PM

Check under your sinks for an " air admittance" valve. Sometimes they fail. Easy to replace.
To be sure it's bad put a ziplock bag over it and tape it closed. If the smell goes away, it's likely bad.

06-09-2022, 08:04 PM	#7
Daryles Montana Master Join Date: May 2019 Location: Alton Posts: 2,698 M.O.C. #24086	Check under your sinks for an " air admittance" valve. Sometimes they fail. Easy to replace. To be sure it's bad put a ziplock bag over it and tape it closed. If the smell goes away, it's likely bad. Attached Thumbnails