BEFORE SERVICING, REFER TO PAGE 3 AND 4 OF THIS DOCUMENT FOR IMPORTANT NOTICES
5
L22
-
405
SERIAL NUMBERS
Serial numbers contain a date code that can identify the approximate date of manufacture.
Below is a breakdown of serial number E18XY000000
E
18
X
Y
000000
E = ELECTRIC
F = FILTER
G = GAS
YEAR OF
MANUFACTURE
MONTH OF
MANUFACTURE
SEE TABLE 1
BELOW
WEEK OF
MONTH SEE
TABLE 1 BELOW
SEQUENTIAL
NUMBER
SEQUENCE
MONTH (X)
WEEK OF MONTH (Y)
JANUARY
A
1
FEBURARY
B
2
MARCH
C
3
APRIL
D
4
MAY
E
5
JUNE
F
6
JULY
G
N/A
AUGUST
H
N/A
SEPTEMBER
J
N/A
OCTOBER
K
N/A
NOVEMBER
L
N/A
DECEMBER
M
N/A
Table
1
—Serial
Number Guide
Summary of Contents for SELVRF
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