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    harveynsmith's Avatar
    harveynsmith Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 25, 2007, 08:01 PM
    Sink vent pipe
    Where does the vent pipe connect to a bathroom sink drain?
    doug238's Avatar
    doug238 Posts: 1,560, Reputation: 62
    Ultra Member
    		  
    #2

    Dec 25, 2007, 10:01 PM
    In the wall within 5 feet if it is 1 1/2" and 8 feet if 2" pipe. Some are not vented if it is 2" and some have a studor vent exposed under the cabinet.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Dec 26, 2007, 05:41 AM
    Correction Doug, My code book makes it 3 1/2' for 1 1/2" and 5' for a 2" drain line.
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