On residential gas and oil furnaces this identification plate is located on the inside of cabinet near the vestibule panel. date produced, and the starting and the ending serial number used on each. Model Numbers The model is identified by a " model number" which is stamped on the unit nameplate or rating plate. The sequence of letters and digits in the Lennox model number reflect specific. How do I read my Lennox condenser model number? Near the top of the nameplate you should see the manufacturer's date as a month and year. On most units, the nameplate is fixed to the backside of the cabinet. You'll find a metal nameplate attached to it containing the system's technical specs. Go to the outside cabinet of the air conditioning system.
Keeping this in consideration, how can you tell how old your AC unit is? Secondly, how old is my YORK condenser? How can I tell the age of a York air conditioner or furnace from the serial number? For York systems manufactured from October 2004 to the present, the first and third characters in the serial number will be letters, and the second and fourth characters will be numbers that indicate the year of manufacture. "5498L" will give you the place, year and month of manufacture for the Lennox air conditioning unit. Use the serial number 5498L9988 for an example. Write down the first five digits of the Serial Number.
Lennox serial number date series#
This unit was manufactured in 2010.Īlso to know is, how do I tell how old my Lennox is?įind the series of numbers and the letter that follow the word "Serial" on the identification plate. How can I tell the age of a Lennox heat pump or air conditioner from the serial number? The second two digits of the serial number are the year of manufacture for Lennox units.
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