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Find Your Model Number

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Every Honeywell thermostat has a model number as its unique identifier. Once you know your model number, you can easily find answers to your questions, find replacement or service parts, or discuss the product with your service professional.


The model number is printed on every product Honeywell makes. Select a product category below for instructions on where to locate it on your product. For all other products, contact your installing contractor or owner's manual.

Click Here to find your owner's manual



       Thermostats              Air Cleaners              Replacement Filters             Humidification            Dehumidification            Ventilation System            UV Air Treatment            Door Chime      

Your model number will begin with the letters, T, TH, RTH, C, or CT and is on the back of the thermostat.


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