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

    Joined:
    Feb 1, 2005
    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

    Joined:
    Jul 18, 2007
    Occupation:
    Journeyman Plumber, business owner
    Location:
    Vashon, Washington
    no

    no problem with that.
     
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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    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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