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FURNACE AGE CHART - NCW Home Inspections, LLC
www.ncwhomeinspections.comFURNACE AGE CHART AMANA: For tonnage refer to FLA & RLA. For age use the serial number and the "B-L-A-C-K-H- ... Previously, it was a series of letters and single digits as explained below. Through 1969, the first digit of the serial number indicates the year of manufacture. ... General Electric: Age is the last 3 digits of the serial number ...
FURNACE AGE CHART - hipspro.com
www.hipspro.com1978 = T 1979 = U 1980 = V Bard April & May 1980 Sample number 123 D A 123456 1st three digits are the Compressor Part Number. 4th digit is the month of Manufacture.