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1. Payne Furnace Serial Numbers 1

Determine the age from the serial number if possible. Some serial numbers can be interpreted by weeks and years. So a number reading 1193CA4567 would be dated as the eleventh week of 1993. According to Inspectapedia website, in the article, 'How to Determine Furnace Age', serial numbers from furnaces made after the year 2000 are easier to decipher. APPENDIX 7.2. DECODING OF MANUFACTURER MODEL NUMBERS The Department used manufacturer model numbers, among other furnace characteristics, to determine nominal airflow capacity. Manufacturers often code furnace specifications into their model numbers. This appendix illuminates the furnace specifications from manufacturer model numbers.

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Payne Furnace Serial Numbers 1

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