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  1. 06-23-2008, 12:05 PM #1
    gschra11
    gschra11 is offline Professional Member*
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    Confused Trane chiller serial number nomenclature

    Howdy folks,

    I can't believe that I'm not finding this in the forums, but does anybody have Trane's serial number nomenclature on hand? I'm trying to figure out how old this RTAA-125 chiller is. I found nomenclature on Trane's residential units, but it doesn't appear to apply to the commercial stuff.

    Thanks!
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  2. 06-23-2008, 12:49 PM #2
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    jayguy
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    typically (but not always), the first digit is a letter indicating the manufacturing location, the next 2 digits are the year of manufacture and the next digit is the code for month of manufacture

    yours starts with a "U" which is code for Pueblo, CO manufacturing plant.

    good luck.
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  3. 06-25-2008, 11:54 PM #3
    gschra11
    gschra11 is offline Professional Member*
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    Thanks!
    "We are what we repeatedly do.
    Excellence, then, is not an act, but a habit."     -Aristotle
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