Trane serial numbers and date differences from BB search

Originally Posted By: bking
This post was automatically imported from our archived forum.



After searching for “trane date” and reading all the posts discrepancy’s were found in the posted letters versus dates for Trane units.


here is the link for Trane's list

http://www.trane.com/Residential/ResidentialFAQ.aspx#17

and copied here:

9=2009
8=2008
7=2007
6=2006
5=2005
4=2004
3=2003
2=2002
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)