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Thread: Sweating toilet

  1. #1

    Default Sweating toilet

    Getting ready to start a complete bath re-do. House is on slab, have a problem with sweating toilet. When I first bought house, did not have a problem with toilet. Had an older toilet in it. Re-did bathroom 20 years ago, have had a problem since. Bought an American Standard with insulated tank, tank was too deep to fit rough in. From what I read, I only have 2 other options. Buy an foam insulation kit to install in tank, or have a mixing valve installed. Any other options? If not, which would be a better solution? Right now I have a 10" rough in toilet, which I hate. Plumber was waiting here and had to run and get toilet and wanted to be sure this one fit. Now I don't know if any 12" rough in I get will fit. Does anyone know which toilets have a "low" 12" rough in?

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    Measure from the bolts holding the toilet down to the finished wall...that is the toilet offset. Some 12" toilets will work with a little over 11", but you need to check their spec sheets to find out.

    Sometimes if the flapper valve is leaking, the constant running of water into the toilet will cause it to reach really cold temperatures. Fix that, and it resolves itself. A tempering valve will solve the problem.
    Last edited by jadnashua; 02-12-2006 at 08:07 PM.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    Plumber plumber1's Avatar
    Join Date
    Aug 2005


    I wouldn't do the Styrofoam kit...Don't believe they work very well...


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