For a programmable thermostat such as the ct8602, tug the bottom of the thermostat cover upward and outward to release the cover.

Replacing battery in honeywell programmable thermostat. It’s time to head back to your electrical breaker panel or heating/cooling power. The procedure for changing the battery in a honeywell thermostat depends on the model. Put the new batteries in the compartment and slide the protective plate over them.

This video tutorial guides you through the process of changing the batteries in your honeywell thermostat. Turn off your thermostat, open the battery compartment on the front, and remove the batteries. Remove the older 3 batteries and replace them with 3 new aaa batteries.

Open the front cover by pulling the front cover out gently. Put your fingers at the bottom of the thermostat. You will probably find two of them there.

Now pull the cover with your fingers to take the cover off. Gently pull the thermostat’s bottom and remove the unit from its wall plate. Return the cover plate to the wall plate.

Next, gently pull the cover away from the. Remove the old batteries, noting where the positive and negative ends are placed. In this video i instructions for the correct and easy way to replace the two aa(double a) batteries in a honeywell pro series t4 thermostat.

Then, use a phillips screwdriver to remove the two screws that secure the cover in place. 🔧 subscribe to our channel: Remove the cover plate and turn it over.