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            DIY Message Boards  Hop To Forum Categories  Home Improvement  Hop To Forums  Plumbing    Allowable horizontal run to vent/drain
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        Allowable horizontal run to vent/drain Sign In/Join 
        posted
        Greetings all,

        I suppose I could find this in the code if I looked long enough, but hopefully this is simple enough. I am moving a pair of sinks horizontally along a wall 2 to 3 feet from the existing drain/vents. I want to Tee into the existing drain/vent and install a horizontal run to the new stub-out. How far can I run horizontally from the drain/vent to the new stub-out?


        Do Well.
         
        Posts: 13 | Registered: Jan 03, 2014Reply With QuoteReport This Post
        Picture of Jaybee
        posted Hide Post
        There is no true horizontal drain run - all need to have at least 1/4" per foot pitch.

        At that pitch, you can run any distance but your vent tie-in needs to be within 5' of the sink.

        This message has been edited. Last edited by: Jaybee,


        Jaybee
         
        Posts: 10430 | Location: Knoxville, Tennessee | Registered: Sep 27, 2003Reply With QuoteReport This Post
        posted Hide Post
        Five feet....Thanks!


        Do Well.
         
        Posts: 13 | Registered: Jan 03, 2014Reply With QuoteReport This Post
        Picture of Frodo
        posted Hide Post
        5' on a 2" drain horizontial line
        3' on a 1 1/2" drain line
        what are you tieing into? is it a waste stack? that has no other drains on it? or is it a line with other lines tied into it?
         
        Posts: 4062 | Location: I live in southern mississippi | Registered: Jun 01, 2008Reply With QuoteReport This Post
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