Made an amatuer mistake with shower valve installation

Discussion in 'Shower & Bathtub Forum & Blog' started by mikec, Jan 11, 2009.

  1. mikec

    mikec New Member

    Jan 11, 2009
    I installed a new American Standard R120 Ceramix shower valve on one of my jobs. I did not check and assumed the hot was on the left as it should be. I installed it as I always do and just received a phone call that the hot and cold are reversed. I simply soldered it in place where the existing was and of course that was a Moen with a reversible cartridge so no problem before my installation of this valve. I cannot reverse the installed cartridge in the AS so I am screwed unless someone knows of another cartridge that reverses the flow. Anyone?
    Last edited: Jan 11, 2009
  2. krow

    krow Plumber

    Feb 11, 2008
    Ontario, Canada
    Most moentrol shower faucets have the handles facing up . (clockwise)Cold on the right, (counterclockwise)hot on the left.

    AS may have the handle facing down, so it may look reversed, but it actually works in reverse. Arrow facing down, (counterclockwise)right hand is cold, (clockwise)left hand is hot
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  4. mikec

    mikec New Member

    Jan 11, 2009
    It's an AS valve and is installed correctly it is the fact that the pipes themselves are backwards.
  5. seattleplumber

    seattleplumber Service plumber.

    Jan 13, 2009
    Service plumber.
    Seattle, WA
    Call American Standard and see if they make a cartridge that reverses the hot/cold. Several manufacturers do. If it turns out that they don't, you could maybe switch the lines somewhere where it is more convenient, like in the crawl space or the ceiling below.

    Ultimately, they were the ones with 'backwards' piping.
  6. frenchie

    frenchie Jack of all trades

    Dec 30, 2006
    Brooklyn, NY and Fire Island, NY
    Careful with that. Ten years later, I still tease my friend about the time he accidentally switched someone's toilet to hot.
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