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  1. #1
    Join Date
    Jun 2003
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    Lenexa, KS
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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!
    "We are what we repeatedly do.
    Excellence, then, is not an act, but a habit."
    -Aristotle

  2. #2
    Join Date
    Aug 2006
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    Mixing oil and fire with a big spoon.
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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.
    Don't step on my favorite part of the Constitution just to point out your favorite part.

    Political Correctness is forced on you because you have forgotten decency.

  3. #3
    Join Date
    Jun 2003
    Location
    Lenexa, KS
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    440
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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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