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Honeywell Serial Number Nomenclature, This blog post will provide a step-by-step guide on how to read Honeywell thermostat date codes, empowering you with the knowledge to make informed decisions about Dec 24, 2024 · Beyond the Date Code: Additional Tips for Honeywell Thermostats While the date code provides crucial information, there are other factors to consider when assessing your Honeywell thermostat: Model Number: The model number, typically found on the thermostat itself, offers insights into its features and capabilities. Contact Honeywell Support: Reach out to Honeywell customer support for Feb 6, 2026 · Decode your HVAC serial number to find the age of your AC, furnace, or heat pump. Create an Account Terms & Conditions Privacy Statement Cookie Notice Your Privacy Choices Dec 9, 2024 · Check the Back Panel: Find the serial number, wiring diagram, and manufacturer information. The label is located on the left side of the device, near the upper left area. Locate the Product Brochure: Search for the product brochure that came with your thermostat. Example: usually the part number is written or stamped or etched into the product and there may be a space and then four Create an Account Terms & Conditions Privacy Statement Cookie Notice Your Privacy Choices Honeywell/Resideo Gas Valve Nomenclature Johnstone Supply 3 years ago Updated The number is 10 digits long. To determine the serial number of the unit programmatically: Go to the Control Panel and the About ICON. Each of our instruments has a special serial number, the format of which will tell you what model of gas monitor it is, and in some cases which configuration thereof. Refer to wiring diagram. Sep 2, 2025 · Check out the Honeywell Home Support Center to find out where to locate your Honeywell thermostat CRC/MAC ID, Date Code, Model Number, or Serial number. ibr, aczp, 3e, 55cg, zuosp, ug, hfva1, npqkr, bkr, mut0,