Look at the first four digits of the serial number once you find it. The first two digits can be the week of the year that the unit was manufactured, with the third and fourth number indicating the year. A serial number starting with 0193, for example, may have been made the first week of 1993.
Similarly, how do you read a furnace serial number?
You can find the model and serial numbers (M/N and S/N) for your furnace by removing the top-front service panel and looking to the left side of the interior cabinet or the top of the blower deck, depending on whether your system is an 80% or 90% AFUE unit.
how can you tell how old an appliance is? You can determine the age of your appliance by looking at the serial number on the nameplate.
- The first number indicates the year of manufacture, and the second and third digits indicate the production week. For example, 13500016: week 35 in 2001.
- You will find this information on the manufacturer’s data plate:
Similarly one may ask, how do you tell the age of a Rheem furnace?
How can I tell the age of a Rheem air conditioner or furnace from the serial number? Find the letter in the middle of the serial number. The first two numbers after it are the week of manufacture, and the third and fourth numbers after the letter are the year of manufacture.
How can you tell the age of a furnace?
Pull off the removable door on the outside of your furnace; this is usually along the bottom of the front of the unit. Look at the interior of the metal door for a label or tag listing the furnace’s serial number. This may also show an actual manufacturer’s date, depending on the company that made the furnace.