Trane age of unit

[Jeff Merritt]

Have S# L1736Ga2G M# Tud100948HZ Age of unit?

[Jeff Merritt]

Never mind found my trane stuff, some of the worst serial #'s

[Ted Allen]

The first letter of the serial number gives the year of manufacture as follows:

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)