Horizontal branch line fixtures

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by xyz1945, Mar 25, 2009.

  1. xyz1945

    xyz1945 New Member

    Messages:
    1
    We are working on a new modular home on a basement. There will be a horizontal branch line servicing the water closet, vanity, shower, & washer. All of the fixtures are individually vented. Does it matter where the water closet enters the branch line (i.e. upstream or downstream of other fixtures)?
    What about the washer?
  2. Terry

    Terry Administrator Staff Member

    Messages:
    15,002
    Location:
    Bothell, Washington
    Between the fixture and the wye fitting, there should be a vent.

    If the fixtures are vented that way, then the order makes no difference.
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,626
    Location:
    Cave Creek, Arizona
    toilets

    WHERE the fixtures go is immaterial. Whether you have the proper vents on them IS important regardless of how you have them arranged.
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