1)2002 to present – If the serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year .
Re: age of American Standard/Trane furnace “Trane: Keeps switching the code. Beginning in 1971, age is a number followed by a letter in the serial number. Example: 1C-xxxx = March 1971, etc.. (Beginning around 1987 the date of manufacturer is stamped on the ID plate most of the time.)
FURNACE AGE CHART (years only) …. General Electric (Stopped in mid 80’s- Trane Since) Age is the last 3 digits of the serial number. First digit being the year .
Trying to find the approximate age of a Trane furnace. Saw no Manufacturer date. I only have the serial number and Model number to go off of.
I HAVE PACKAGED RTU MODEL YSC with following serial #: 723102719L Can someone let me know age? I’ve tried conventional means to .
Trane uses alpha codes in their serial numbers to determine year of manufacture. They started this in 1987 with the letter B and skipped a .
From 1964 through 1979 Bryant encoded age information in the …. Trane. Capacity: Trane has used a number of different methods for encoding capacity.