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Posted

Hi Jerry,

The third letter in the serial number is the one you want. In this case, G is either a 1978 or 1997 model.

Download this from the TIJ documents library.

OT - OF!!!

M.

Posted

According to the Furnace age chart, in the Library, Popular Files:

The letter "G" is the third letter in the serial number, it was manufactured in 1977 or 1998.

I assume the chart covers York A/C's as well.

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