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  1. #1
    Join Date
    Jun 2003
    Location
    Lenexa, KS
    Posts
    435

    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
    Location
    Mixing oil and fire with a big spoon.
    Posts
    4,521
    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.
    "If you pull one more stunt like you just pulled with Tommy, you won't have to get on a plane because I will personally kick your ass from here to Korea!" - Best of the Best

  3. #3
    Join Date
    Jun 2003
    Location
    Lenexa, KS
    Posts
    435
    Thanks!
    "We are what we repeatedly do.
    Excellence, then, is not an act, but a habit."
    -Aristotle

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