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HELP & SUPPORT

How do I find my Thermostat model number?

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Each Honeywell thermostat model has a unique number that can help you get support for your product faster and easier . Depending on your model, this number is preceded by the letters TH, T, RTH, RCHT, CT, TL or RLV.

Please watch this video for a quick visual guide on how to find your thermostat model number:


The fastest way to see your thermostat model number is to look for it on your thermostat ID card. If you do not have a product ID card, the fastest way to find the model number is by removing the thermostat from the wall-plate. Most modern thermostats separate from the wall plate by pulling the thermostat straight off the wall.  Grasp the thermostat with the fingers of your hand on the top and your thumb on the bottom and try pulling the thermostat directly off the wall plate.  If it does not separate you will need to refer to your owners guide as to how it removes from the wall. After removing the thermostat, flip it over and look for the model number, which is printed on the back of the case, starting with the group of letters mentioned above.

If the thermostat is battery operated and the batteries are accessed from the front of the thermostat, please check the area around the batteries. You can also check this list of our battery operated thermostats to find your model number.

If your thermostat has a mechanical clock, the model number is on a sticker on the horizontal surface above the clock.

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