How To Replace Batteries In Thermostat. Remove the old batteries from the back of the thermostat display. Even hardwired thermostats require backup batteries.
A thermostat needs batteries for it to function. Basic Honeywell Thermostat. All Honeywell thermostats that have batteries store the batteries in the control panel.
Simply remove the thermostat away from the base gently.
All Honeywell thermostats that have batteries store the batteries in the control panel. So you have plenty of time to replace them. Be sure to place the batteries in the correct orientation. Replace the battery and put it as it was earlierReplace the old batteries with two aa batteries that are brand newReplace the old honeywell thermostat battery or batteries with fresh alkaline aa batteriesReturn the batteries this time around in a backward manner.
