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  1. #1
    Join Date
    Sep 2008
    Location
    Athens, AL
    Posts
    31

    TXV Valves in new 410A units

    I'm just starting out as a new technician working for one of the P/T teachers from our community college HVAC/R program in Alabama. Very thankful for my job with him btw...My question is this. Have anybody else been seeing alot of TXV failures in these new American Standard/Trane units, and the Rheems as well. I believe they're Emerson valves. Seems like my boss has been replacing a large percentage of these within the first year.

  2. #2
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,316
    Lots of TXV failures in everything. Trane had been using Sporlan, even had a bulletin out on the R22 versions. I think Rheem uses Emerson as you say. Less of a problem with them.

  3. #3
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,731
    e have also replaced many Trane expansion valves although i think our installers is a big part of the problem but i could be wrong

  4. #4
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,915
    I haven't had any problems with any of the systems we have installed in the last year or more.

    If you are still seeing a "large" percentage of TXV failures, there may be an installer issue...
    If more government is the answer, then it's a really stupid question.

  5. #5
    Join Date
    Jun 2007
    Location
    The Twilight Zone
    Posts
    2,964
    The indoor TXV on my R22 Goodman lasted 3 years. Tech diagnosed that the power head lost its charge and it failed closed. I believe it was a Parker TXV.

  6. #6
    Join Date
    May 2000
    Location
    Colorado flatland native
    Posts
    15,067
    their all





    or is it....





    They all fail.
    My doctor gave me six months to live, but when I couldn't pay the bill he gave me six months more.
    Walter Matthau

  7. #7
    Join Date
    Oct 2005
    Location
    Kermit, TX
    Posts
    727
    More like "Hecho En China".
    Zach

  8. #8
    Join Date
    Sep 2008
    Location
    Athens, AL
    Posts
    31
    Thanks for the responses

  9. #9
    Join Date
    Jul 2010
    Location
    wisconsin
    Posts
    270
    does any body here have concrete evidence, as to what is the most common cause for a bad txv. i would venture to guess it would be a poor install without using nitrogen while brazing, or not pumping the system down because they want to get done early etc. just want to know what people think the most common reason for failure in any make of txv. thanx

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