On Monday, February 27, 2017 at 6:14:08 AM UTC-8, Newhomeowner2017 wrote:
I have a Honeywell magicstat thermostat not sure how to change the batteries,I
can't seem to get the back off but not sure if it's supposed to or not. The
house is about 25+ years old so I'm not sure if it's painted on or if it just
dont come off. Its on my screen bat lo so im guessing the batteries are
low....HELP!!!!

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I think it is time to replace the unit.