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Lennox Furnace Manufacture Date

Lennox Furnace Manufacture Date

The date of production/manufacture or age of Lennox® HVAC equipment can be determined from the serial number located on the data plate.
Jul 17, 2017 – Find the series of numbers and the letter that follow the word “Serial” on the identification plate. Write down the first five digits of the Serial Number. Use the serial number 5498L9988 for an example. “5498L” will give you the place, year and month of manufacture for the Lennox air conditioning unit.
(This serial number is from an actual furnace unit transcribed during a home inspection). Using the third, fourth and fifth digits of the serial number 5896A 36571you will find the year and month of manufacture. The third and fourth digits are the year and the fifth digit is the month expressed in letter format.
Each unit manufactured is a duplication of a particular model. The model is identified by. G**MPV Gas furnace multi position variable speed. GHR. Gas furnace.
Jul 21, 2018 -. digits of the serial number are the year of manufacture for Lennox units. Where is the air filter for my central air conditioner and furnace?
If you can’t find the serial number or date of manufacture, switch off the furnace’s. Lennox furnace efficiency affects serial number placement.
For Example, Model No.: NAC042AKA5, SN: E031136011 was Manufactured in 2003, Week 11. Lennox Date Codes. Since 1974, the first and second digits are.
Lennox serial number manufacture date. · I have an older Rheem furnace that I’ m trying to.

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