ricardo100671 Posted 12 hours ago Share Posted 12 hours ago I this design and concerned toilet flush will pull out traps all traps. So thinking to add air inlets, at and, above sinks, but wonder how to deal with low level of shower and bath. Link to comment Share on other sites More sharing options...
MikeGrahamT21 Posted 12 hours ago Share Posted 12 hours ago Mine is like that and have no issues. I have an AAV outside, so after all of the connections on its way to sewer Link to comment Share on other sites More sharing options...
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