![lennox serial number date code lennox serial number date code](https://www.gunsamerica.com/UserImages/15516/970488243/wm_7335626.jpg)
I (i) is skipped to avoid confusion with the number 1. The fourth character is a letter representing the month.Ī=January / B=February / C=March / D=April / E=May / F=June / G=July / H=August / J=September / K=October / L=November / M=December The date of production/manufacture or age of Lennox brand HVAC equipment can be determined from the ten character serial number located on the rating data plate. Month: Week codes are not used – just months. Year: First two numbers after the letter. Most codes of this type start with A or C. How can I confirm the model and serial numbers for my cooling system The model and serial numbers for your cooling system can be found on the nameplate or sticker, located near the service panel. Please consider a single donation of 5, 10, 20, 50 or more. * The starting letter is the code for the manufacturing facility where the unit was made, i.e., the factory code. Grandaire HVAC age Building Intelligence Center. It’s the second through fourth characters that are essential to the manufacturing date. But confusion is avoided if you understand the nomenclature sequence – Letter, 2 numbers, letter, etc. This system was mostly used in the 1970s, but it “pops up” periodically after that on some types of Trane and American Standard equipment.Īs you can guess, this sequence of numbers and letters can easily be confused with the method used from 1983 to 2001. 9 Characters Starting with a Letter – 1970s Year: First two numbers are the year, starting with 10 (2010) and currently up to 22 (2022)ĭate of Manufacture:1982 (the letter C) in the 33 rd week (August/September). For example, if your furnace’s date code is 1092 this means it was manufactured in October 1992. The date code tells you when your furnace was made.
![lennox serial number date code lennox serial number date code](https://noshhealthykitchen.com/wp-content/uploads/2020/12/Lennox-Serial-Number-Lookup-1.jpg)
there are two digits for the serial number. The other numbers and letters in each of the styles identify the factory where the unit was made and the sequence of manufacturing. The model number is found on the serial plate, which is located on the air handler. They are listed from most recent to older serial number styles.įor each of these, the important characters for the manufacturing date are underlined. Here’s an overview of all the styles, including a review of the two explained already, now that you understand the basic strategy Trane uses. This method is used for heat pump and furnace serial numbers too. How to Read a Trane Air Conditioner Serial Number The next two numbers are the week: The 10 th week of the year falls in March. It proves the decoding method explained above. The serial number is 17103N6MF4. In the picture above, you can see it shown as 3/2017, or March 2017. MFR Date: Trane makes it easy on many of its products by stamping the manufacture date right onto the tag.