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Lennox HVAC Serial Numbers Decoded: Understanding Your System

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When it comes to your Lennox HVAC system, understanding the serial number can provide valuable information about your unit. Lennox uses a specific coding system in its serial numbers that reveals details about the equipment, including its manufacturing date and location. Let’s decode a Lennox HVAC serial number to help you gain insight into your system.

Decoding the Serial Number:

Lennox serial numbers typically consist of a series of letters and numbers. While the specific format can vary slightly, the general structure provides essential information. Here’s how to decode a Lennox HVAC serial number:

  1. First Two Digits (Year): The first two digits indicate the year of manufacture. For instance, if your serial number starts with “03,” it means the unit was manufactured in 2003.
  2. Third and Fourth Digits (Month): The following two digits represent the month of manufacture. “03” would correspond to March, “06” to June, and so on.
  3. Fifth Digit (Factory Code): The fifth digit represents the factory where the equipment was manufactured. Each factory has a unique code.
  4. Sixth through Tenth Digits (Serial Number): The remaining digits are the serial number of the unit. This number is unique to your specific equipment and helps identify it within the production run.

Example: Let’s say you have a Lennox HVAC system with the serial number “0306F12345.” This serial number can be decoded as follows:

  • The unit was manufactured in the year 2003.
  • It was produced in the month of June (06).
  • The factory code “F” corresponds to a specific manufacturing facility.
  • The serial number of this unit is “12345.”

Understanding your Lennox HVAC serial number can be useful for several purposes, including warranty verification, tracking recalls or service bulletins, and estimating the age of your system. If you ever need assistance with your Lennox HVAC system, whether for maintenance, repair, or replacement, ROMA Heating & Cooling, your trusted Lennox dealership in British Columbia, is here to help. Their certified technicians have the expertise to handle all your Lennox HVAC needs, ensuring your system operates at its best.

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To book your next HVAC appointment with us, simply fill out the form below and we’ll contact you shortly. Alternatively, you can call the numbers listed on our website.

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