#Lennox serial number date code how to
How to Determine Lennox AC Tonnage from Model Number?
#Lennox serial number date code serial number
The date of production/manufacture or age of Lennox® HVAC equipment can be determined from the serial number located on the data plate. “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. How do you read a Lennox serial number?įind the series of numbers and the letter that follow the word “Serial” on the identification plate. Divide the number by 12 (which represents 12,000 Btu/hr, or one ton of cooling capacity) to get your AC unit’s tonnage. The possibilities on residential units range from 18 to 60. Within this string of letters and numerals, you should find an even, two-digit number. The model number will be four letters, a dash, and then six more characters while the serial number is ten characters long.įind the model number. Locate the model and serial number label inside the cabinet of the furnace. Where is the model number on a York Furnace? At the top of the nameplate, you should see the manufacture’s date like a month and year. The nameplate lists the manufacturer’s specifications on it. Look on the back side, the side facing toward the house, and you should find a nameplate. The first step is to go to the outdoor cabinet of the heat pump. 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. The first pair of numbers is the year, and the second pair of numbers is the week. In the serial number, the first letter is the place of manufacturer. What is difference between SKU and serial number?.Is part number the same as serial number?.Is serial number the same as model number?.How do I read my first company serial number?.How do I know what tonnage my Lennox is?.
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