How to identify the date of manufacture – A.O. Smith Century Pool & Spa Motor User Manual
Page 55
5 5
For Century Pool, Spa or Jetted Tub Motors
To identify the month and year your Century pool, spa
or jetted tub motor was manufactured you need to know
the serial code.
The serial code on the nameplate is made up of thre e
p a rts: serial letter (year), serial number (month), and
manufacturing sequence number. Example:
SERIAL BH 1 1 - 1 6
Serial Letter
Serial Number
Mfg. Sequence
This motor was manufactured in November 1990.
S e r i a l
S e r i a l
S e r i a l
L e t t e r Ye a r
L e t t e r Ye a r
L e t t e r Ye a r
K
1 9 7 0
W
1 9 7 9
B F
1 9 8 8
L
1 9 7 1
X
1 9 8 0
B G
1 9 8 9
M
1 9 7 2
Y
1 9 8 1
B H
1 9 9 0
N
1 9 7 3
Z
1 9 8 2
B J
1 9 9 1
P
1 9 7 4
B A
1 9 8 3
B K
1 9 9 2
R
1 9 7 5
B B
1 9 8 4
B L
1 9 9 3
S
1 9 7 6
B C
1 9 8 5
B M
1 9 9 4
T
1 9 7 7
B D
1 9 8 6
B N
1 9 9 5
U
1 9 7 8
B E
1 9 8 7
B P
1 9 9 6
Serial Letter Designation
S e r i a l
S e r i a l
L e t t e r Ye a r
L e t t e r Ye a r
1
J A N
7
J U LY
2
F E B
8
A U G
3
M A R
9
S E P T
4
A P R
1 0
O C T
5
M AY
1 1
N O V
6
J U N E
1 2
D E C
Serial No. Designation
HOW TO IDENTIFY
THE DATE OF
MANUFACTURE