How to determine the age of a Magic Chef

Magic Chef – How to determine the age or manufacture date

Every effort is undertaken to offer you correct and concise information to assist you in determining the age or manufacture date of HVAC equipment. Anytime anyone is dealing with numbers and letters in determining data, mistakes and misinterpretation are bound to happen. For this reason if you find during your research that we may have erred please contact us. In addition perhaps you have come across a brand, model or serial number format that we have not addressed. Email us information or pictures of data/nomenclature plates of the unit and we will attempt to assist you in your determinations. Email

This page was last updated: 26 July 2009

Magic Chef (1984 – 1998)

Serial Number format: I04509EEB

(This serial number is from an actual Magic Chef Furnace).

Using the seventh and eighth digits of the serial number I04509EEByou will find the month and year of manufacture. This unit was manufactured in May 1984.

Month of manufacture: I04509EEB

Use the following chart to determine month.

A = January

B = February

C = March

D = April

E = May

F = June

G = July

H = August

“I” was not used.

J = September

K = October

L = November

M = December

Year of manufacture: I04509EEB

To determine year of manufacture use the following chart:

A = 1980

B = 1981

C = 1982

D = 1983

E = 1984

F = 1985

G = 1986

H = 1987

“I” was not used

J = 1988

K = 1989

L = 1990

M = 1991

N = 1992

O = 1993

P = 1994

Q = 1995

R = 1996

S = 1997

T = 1998

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Magic Chef – How to determine the age or manufacture date