NOTE All charts on this page are reference only

NOTE: All charts on this page are reference only.

A)1965-1983 models coded with one letter, followed by five numbers.

Example: M78013...Built in December of 1978

First letter indicates month produced.

The next two numbers indicate year produced. The remaining three numbers are production codes.

1984-Present models coded with eight numbers.

Example: 85040000...April, 1985

First two numbers indicate year produced.

The third and fourth numbers indicate the month produced. The final four numbers are production codes.

DATA PLATE LOCATION:

A. Hi-Fire

Left of the gas valve.

B.Power Gas

Left of the gas valve.

C.Oil-Fired (G-O Series)

On the front of the jacket, at the top.

COPPER-FIN®WATER HEATERS (CFW) 1968-1981

COPPER-FIN BOILERS (CFB)

1968-1981

The Copper-Fin heaters have a number followed by a letter(s) then three numbers.

Example: 5Y013...Built in May 1978

First number indicates month produced.

Next letter(s) indicates year produced.

Final three numbers are production codes.

DATA PLATE LOCATION:

On the top left corner of Copper-Fin, from the front controls.

	MOD-U-POWER (MUP)	1978-1984
	MOD-U-POWER (MUP)	1978-1984
	The Mod-U-Power has a single letter,
	six number serial code.

Example: J-930001...Built in September of 1993

First letter indicates month produced. Next two numbers indicate year produced. The remaining numbers are production codes.

7/08–Printed in U.S.A.