the distance between drain trap and vent fitting

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by 30all, Feb 23, 2006.

  1. 30all

    30all New Member

    Joined:
    May 24, 2005
    I need to move kitchen drain to left along with window. Search for the codes about boring 2x4 stub in exterior wall, it seems doable. but I don't know if I need to move vent along with drain. Since I only need to move 1 or 2 feet from current spot, I may be able to get away from moving vent?

    I don't want to bore 2 holes in 2x4 for both drain and vent. if I have to move vent, then I will route the drain pipe from basement and come out from floor into sink base cabinet.

    Check 2 plumbing books, they says 2 different numbers. :confused:

    Thanks!
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    For most kitchens, the trap arm is 1.5"

    the vent can be within 42" in the UPC code.
     
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  4. 30all

    30all New Member

    Joined:
    May 24, 2005
    Terry, thank you
    The 1.5" you are refering to is the size of drain and trap, not length, right?

    the 42" distance is from p-trap to the vent T fitting?
     
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