(This serial number is fictitious). numbers and serial numbers. To determine other key specs of your HVAC system, see one of these other blog posts: The horizontal or vertical orientation and flow direction of the furnace may also impact the location of the information, but it is present somewhere on every Lennox unit. Unit model number (including any dash numbers) and serial number must always be used when referring a problem to Lennox in regard to repair parts, literature, wiring diagrams, etc. UP FLOW GAS FURNACE — 14 SERIES HS26˜311V˜1P SERIES CAPACITY PHASE DASH NO. Using the fourth, fifth, sixth and seventh digits of the serial number0207GSD 00023 you will find the year and month of manufacture. The sequence of letters and digits in the Lennox model number reflect specific information about the unit.

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.

The date of production/manufacture or age of Lennox® HVAC equipment can be determined from the serial number located on the data plate.

Figure 1 analyzes three typical model numbers. This unit was manufactured in 2010. Serial Number format: GSD020700023 (All Nordyne Brands have serial numbers that are 12 digits long and start with a letter). Newer units may have a manufacturer's date listed somewhere on the furnace; older furnaces require a bit more digging by looking at the serial … Saturday, January 11, 2020 The second two numbers of the serial number are the year of manufacture, so the data plate for the Lennox furnace shown below indicates it was produced in 2013. Lennox® How to determine the date of production/manufacture or age of Lennox® HVAC Systems. How can I tell the age of a Lennox heat pump or air conditioner from the serial number?

Typically, furnaces over 30 years old will not have serial numbers to help determine the furnace age. The exact location of the model and serial number information depends on whether the unit is rated as 80 percent or 90 percent annual fuel usage efficiency. Use of proper unit identification numbers and serial numbers will greatly help in expediting any material required for these products.

G21Q3˜40˜2 SERIES TONS OF COOLING HEAT CAPACITY DASH NO. Step 2 Write down the serial number found on the data tag. How do I tell the age of a Lennox furnace from the serial number? According to Peak to Prairie Inspection Service, use the serial date to determine the furnace age. CONDENSING UNIT — 22 SERIES GCS16H˜261˜50˜3P SERIES COOLING CA PACITY HEAT … Saturday, July 21, 2018 The second two digits of the serial number are the year of manufacture for Lennox units.


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