Reply To: wet venting

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Everything Bruce T says is true…esp. about how wet venting ‘sucks’, which is literally why it is prohibited w/o upsizing the vent to 3″ (technically 2 1/2″ but we don’t see much of that pipe). Typically the primary problem would occur when urinals are flushed the toilet bowl level will have a tendency to siphon out, lowering the level and making a potential cascade effect of problems.

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