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    hiwood88's Avatar
    hiwood88 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 16, 2007, 03:43 PM
    Need for a vent line
    I am adding a sink in a bathroom about 10 feet from the bath tub and will be tapping into the bath tub drain line. Since the sink drain is a standard hight above the floor and the drain is below the floor, do I need a dedicated vent for the new sink? Thanks.
    doug238's Avatar
    doug238 Posts: 1,560, Reputation: 62
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    #2

    Dec 17, 2007, 02:14 AM
    Use a studor vent in the cabinet for the sink.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Dec 17, 2007, 05:26 AM
    Quote Originally Posted by hiwood88
    I am adding a sink in a bathroom about 10 feet from the bath tub and will be tapping into the bath tub drain line. Since the sink drain is a standard hight above the floor and the drain is below the floor, do I need a dedicated vent for the new sink? Thanks.
    EVERY fixture that has a trap HAS to be vented. You may vent the sink in one of 3 ways. 1) You may run the vent out the roof. 2) You may revent back to a dry vent **or** 3) you may take Dougs advice and install a AAV(air admittance vent) just after the trap. Good luck, Tom
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