1. pensfan84

    pensfan84 New Member

    Messages:
    32
    Location:
    Pittsburgh, PA
    I am installing a new toilet that is 4' away from my main stack and will be installing a 4" sanitary tee and stack venting the toilet. I have all intentions of installing a 4" closet flange as well.

    Is a 4" closet flange appropriate for this?

    What size closet bend should I use for this?
  2. Lakee911

    Lakee911 I&C Engineer (mostly WWTP)

    Messages:
    1,328
    Location:
    Columbus, OH
    You can use 3" or 4". Personally I like 4" but the 3" can be cheaper and easier to run. You can always increase the pipe size, but you never want to decrease it.
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,315
    Location:
    Cave Creek, Arizona
    tee

    If this toilet is going to be on the stack beneath another one, you CANNOT just install a tee and connect the toilet to it.
  4. pensfan84

    pensfan84 New Member

    Messages:
    32
    Location:
    Pittsburgh, PA
    This toilet is installed highest on the soil stack
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