Serial Number Date Code Reference (#100)
Using the chart below, a serial number of WC9876553 would have been built in the year 2000 and in the month of March. A serial number beginning with KA would have been built in January of 1993. The remainder of the serial is just a sequential number.
YEAR COLUMN (FIRST DIGIT)
|
MONTH COLUMN (SECOND DIGIT) |
|
G = |
1990 |
A = |
January |
H = |
1991 |
B = |
February |
J = |
1992 |
C = |
March |
K = |
1993 |
D = |
April |
L = |
1994 |
E = |
May |
M = |
1995 |
F = |
June |
N = |
1996 |
G = |
July |
P = |
1997 |
H = |
August |
S = |
1998 |
J = |
September |
T = |
1999 |
K = |
October |
W = |
2000 |
L = |
November |
X = |
2001 |
M = |
December |
Y = |
2002 |
|
|
Z = |
2003 |
For the Year column, we do not use the letters: |
|
A = |
2004 |
I, O, Q, R, U, V |
|
B = |
2005 |
|
|
C = |
2006 |
Due to a computer error there were some OA serial |
|
D = |
2007 |
water heaters manufactured. They were built in |
|
E = |
2008 |
January of 1997 |
|
F = |
2009 |
|
|
G = |
2010 |
For the Month column, we do not use the letters: |
|
|
|
I, and N through Z |
|
:
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