Lennox

 

Style 1:

The Date of Manufacture is in the third through fifth digits of the serial number and represent the year and month of production:

 

5601D 08606

56 01 D 08606

01 Year

D Month (April) SEE MONTHLY CHART BELOW

 

Style 2:

The Date of Manufacture is in the last three digits of the serial number and represents the month and year of production

 

C89284AAC

C89284 B A C

B Month (February)

A Year (1980)

 

A January                   G July

B February                 H August

C March                       J  September

D April                         K October

E May                            L November

F June                          M December

 

A 1980

B 1981

C 1982

D 1983

E 1984

F 1985

G 1986

H 1987

J 1988

K 1989

L 1990

M 1991

N 1992

 

Style 3:

The Date of Manufacture is in the first five digits of the serial number and represents the day, month and year of production

 

15A67 JA018

15 A 67 JA018

15 Day

A Month USE MONTHLY CHART ABOVE

67 Year

 

Style 4:

The Date of Manufacture is in the last four digits of the serial number and represents the year and week of production

4150720328

415072 03 28

03 Year

28 Week

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6701 Carmel Road

Suite 116

Charlotte, NC 28226

888-406-0980

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