Honeywell 8321wf thermostats the factory reset process is a bit more involved with these models.

How to change battery in old honeywell thermostat. Turn it over, and you will find 2 aa batteries inside. Before you change the battery, make sure that your thermostat is turned off. Pushing down the tab on the top opens the battery compartment.

Turn it over to access the battery compartment. The battery housing is not labeled but it is easy to locate it. It is not exactly easy but it is possible.

Pull out the faceplate to open the battery compartment. 8 rows changing the batteries on a honeywell thermostat system is quite simple. Turn off the thermostat and then lift off the batteries.

Switch off the thermostat to replace the battery open the front cover by pulling the front cover out gently remove the older 3 batteries and replace them with 3 new aaa batteries place the. Hold on the upper and lower side of the faceplate. The “my total connect comfort” web portal and the honeywell app can also be used to control the 8000 series honeywell thermostat.

The first step for battery replacement of all the. To remove the battery compartment, simply press and pull the cover plate. How to reset a honeywell thermostat remove the batteries and turn off the thermostat.

Switch your thermostat from on to off take out the cover plate off the wall and disengage it from the wall plate pull out the two batteries and replace them with new ones return the cover. Watch this video and you will know how to replace batteries. It’s in the upper right corner of your thermostat.