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Old 07-27-2011, 06:30 AM   #1
DMS
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How to tell age of trane central a/c unit


can age be determine by mod. &/or ser. #'s...?

Last edited by DMS; 07-27-2011 at 06:41 AM. Reason: not what I originally printed.
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Old 07-27-2011, 07:52 AM   #2
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How to tell age of trane central a/c unit


Trane uses alpha codes in their serial numbers to determine year of manufacture. They started this in 1987 with the letter B and skipped a couple of letters during the years........ The first letter of the serial number gives the year of manufacture as follows:

In 2002 they started their serial numbers with the year it was built. In 2002 the first character of the serial number is 2, in 2003, 3 and so on.

Z=2001
R=2000
P=1999
N=1998
M=97
L=96
K=95
J=94
H=93
G=92
F=91
E=90
D=89
C=88
B=87
S=86
Y=85
X=84
W=83
U=82(seventh digit)
T=81(seventh digit)
O, A=80(seventh digit)
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Old 07-27-2011, 09:04 AM   #3
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How to tell age of trane central a/c unit


Fabrk8r: Thanks! Have a beautiful day...(Love the dogs!)
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