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Old 01-13-2022, 12:23 PM   #3
Bladescb
Established Member
 
Join Date: Jul 2021
Location: Epsom
Posts: 46
M.O.C. #29195
I think you are correct sir! I have opened every screwed on panel and fake panel and there is definitely no air admittance valve in the bathroom. The cabinet that contains the washer hook-up (we do not have a washer) does go directly to the bathroom connection. Going to run some fresh water down the washer drain and see if that helps. Otherwise I may just add an air admittance valve on top of the washer drain.
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