Toilet w/3" flush valve into 3" drain pipe

Discussion in 'Toilet Forum discussions' started by JRyan, Aug 20, 2007.

  1. JRyan

    JRyan New Member

    Messages:
    2
    Location:
    Hazen, ND
    I've been thinking of replacing my old 5 gal/flush toilet with something like the Toto Ultramax. It apparently has a 3" flush valve. I just realized tonight that my drain lines are 3" PVC instead of 4".

    Will I have any problems using a toilet like this with my existing plumbing?

    Thanks for the help...JR
  2. BAPlumber

    BAPlumber Plumber

    Messages:
    227
    Location:
    Vashon, Washington
    no

    no problem with that.
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,268
    Location:
    New England
    The trapway is still smaller than that...the large flapper is what gives it the initial volume to get a good flush and build up a head.
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