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.

How to change battery in old honeywell thermostat. This video tutorial guides you through the process of changing the batteries in your honeywell thermostat. If the battery compartment is covered, remove it then take out the batteries. Watch this video and you will know how to replace batteries.

Put the thermostat in the ‘off’ position and remove 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. Also, you will need two or three backup.

How to change honeywell thermostat battery step 1: Before you change the battery, make sure that your thermostat is turned off. The battery housing is not labeled but it is easy to locate it.

The first step for battery replacement of all the. 8 rows changing the batteries on a honeywell thermostat system is quite simple. Pull out the faceplate to open the battery compartment.

Some honeywell thermostats use an aa battery or aa alkaline batteries, while others use aaa batteries. Here are the steps on how to reset honeywell thermostat with no reset button but with battery power: Turn it over, and you will find 2 aa batteries inside.

Here is how to replace the battery in honeywell 5000 series thermostat. Reverse the position of the. Turn off the thermostat and then lift off the batteries.