Honeywell Serial Number Nomenclature, 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 serial numbers are unique identifiers for authenticating products, validating warranties, and accessing technical support. To determine the serial number of the unit programmatically: Go to the Control Panel and the About ICON. We would like to show you a description here but the site won’t allow us. The nomenclature for the item number is explained in Honeywell HP and HE Series Pressure Switches Product Nomenclature For example, a HPR05500PFNSPAAA01 defines a high pressure switch, rising factory set, non-adjustable set point, 550 psi set point, psig, sealed gage pressure unit, M14 x 1. 5. 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. 4. Depending on your model, this number is preceded by the letters TH, T, RTH, RCHT, CT, TL or RLV. 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. The manufacturer date can also be found along the lower edge of the backpack frame (on left side as worn). However, understanding the date code on your thermostat is crucial to determine its age and potential maintenance requirements. Found on labels, packaging, or digital interfaces, these alphanumeric codes follow standardized formats. NOTE: Serial numbers were not programmed in the motherboard, nor was software before 2010 capable of reading such a serial number from the motherboard (if available). Find your brand below, match the format, and you'll know your system's exact age in minutes. Utilize Online Resources: Visit the Honeywell website or search online forums. It will be a 10 digit number that runs verticle down by the first stage regulator. To determine this either print a hardware configuration test label, or use the printer's item / part number, which is found next to the serial number. . When purchasing on AliExpress, verify serial numbers via Honeywell’s official tools to ensure authenticity and avoid counterfeit goods. Always cross-check Honeywell/Resideo Gas Valve Nomenclature Johnstone Supply 3 years ago Updated The number is 10 digits long. S. If the label is missing or no longer legible, the serial number can be identified through the device settings by following these steps: Sep 2, 2025 · Each Honeywell thermostat model has a unique number that can help you get support for your product faster and easier . Software that predates 2010 will need to be upgraded to utilize this feature. Feb 6, 2026 · This guide covers serial number decoding for every major HVAC brand sold in the U. Apr 23, 2026 · Honeywell provides an online resource center and customer support website where you can search for your thermostat model using various identifiers, such as the serial number or a product code.
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