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    zak_mi_us's Avatar
    zak_mi_us Posts: 6, Reputation: 1
    New Member
    		  
    #1

    Jan 10, 2007, 11:52 AM
    Wet Vent Lav with Shower Vent
    You mention many times that you can wet vent your shower by attaching it to your vented lav drain. Are there any problems doing it the other way around, venting your lav by attaching it to your vented shower drain?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Jan 10, 2007, 12:00 PM
    Quote Originally Posted by zak_mi_us
    You mention many times that you can wet vent your shower by attaching it to your vented lav drain. Are there any problems doing it the other way around, venting your lav by attaching it to your vented shower drain?
    That won't work because you will be building a outlawed "S" trap in the lavatory trap. Regards, Tom
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