Gerber Maxwell Wall Hung Toilet

Discussion in 'Toilet Forum discussions' started by Gojira, Mar 5, 2017.

  1. Gojira

    Gojira New Member

    Joined:
    Feb 8, 2017
    Location:
    Pennsylvania
    Hi Terry,

    When you install a Gerber Maxwell wall hung toilet what specific type of seal do you use for the wall drain? Thanks!

    Mark
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    That would be a Neopreme seal.



    [​IMG]
     
    Last edited: Jan 12, 2019
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  4. Bruce Dahl

    Bruce Dahl New Member

    Joined:
    Mar 17, 2017
    Location:
    Burien, WA
    Terry, I updated my 66 American Standard to the Gerber 20-021. I tried a neoprene seal, but it didn't seem to fit the plumbing. I tried 2 wall hung wax seals, but both failed after a short time. The waste pipe has more of a bowl shape to it where the toilet outlet is square. Do I need to update the hanger and or plumbing? If so, with what? If not, do you recommend a particular seal?
     
  5. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    [​IMG]

    The pipe coming from the wall should be round and protruding past the wall 5/8"
    I should have taken pictures of the one I installed yesterday in Seattle.
     
  6. Bruce Dahl

    Bruce Dahl New Member

    Joined:
    Mar 17, 2017
    Location:
    Burien, WA
    It pipe sticks out about 5/8". The neoprene seal fits the toilet fine, but i find it odd that it's pushing against the flange. Will the neoprene will give that much?



    IMG_3025.JPG IMG_3027.JPG
     
  7. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    5/8" works all the time.
    I hang the bowl from the top two bolts first, then push down on the bowl and thread nuts to the lower bolts.
    The Neopreme will compress. You can tighten three nuts fairly good and the forth basicly hand tight or you may break the bowl.
     
  8. Bruce Dahl

    Bruce Dahl New Member

    Joined:
    Mar 17, 2017
    Location:
    Burien, WA
    Great tip on the 4th nut. Every time I hang the toilet I'm afraid i'll break it.

    I didn't have confidence the neopreme would crush enough, but I'll give it a try.

    Thanks for the help!!
     
  9. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    A tripod will always be able to be stable...but, trying to get 4 points all in line is much more problematic, which is the reason why you don't want to try to tighten all four bolts - the porcelain does not bend, it breaks.
     
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