Thread: Age of unit

Could someone give me the age of this heat/air unit.
Armstrong gas unit Serial #8400G43077

Thanks for the help

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Does is look 25 years old?

If so, that "84" at the beginning may be the year.

Does it look about 10 years old?

Originally Posted by David Cervantez

Could someone give me the age of this heat/air unit.
Armstrong gas unit Serial #8400G43077

I think the 3rd & 4th numbers are for year, the 5th letter is for Month (A=Jan, B=Feb, C=Mar,....).
00G = 2000 July. Please call Armstrong 1-800-448-5872 to confirm.

Daniel,

That's where I got the 10 year old guess from, the second two digits.

Wasn't sure how they did their date codes, but if it was "pretty old" it may have been 1984, otherwise if "not real old" 2000.

Originally Posted by Daniel Leung

I think the 3rd & 4th numbers are for year, the 5th letter is for Month (A=Jan, B=Feb, C=Mar,....).
00G = 2000 July. Please call Armstrong 1-800-448-5872 to confirm.

#84 is the plant where it was manufactured, #00 is the year (2000) and G is the month (July). At least that is what I have.

Originally Posted by David Cervantez

Could someone give me the age of this heat/air unit.
Armstrong gas unit Serial #8400G43077

Thanks for the help

If it was me, I would be sure to tell my client that the unit is older and has basically reached the end of it expected life. In our area, units of this age should not be expected to last much longer. If this is a package unit, I give them about 8-10 years of life in our area.

I have found that by typing the model and/or serial numbers into google that all the info will come to you!!! Good luck And what type of unit is this? Forced hot air furnace?