Quote Originally Posted by mikemooch View Post
I actually set both. For the first time in my life I actually read instructions, only bc I couldn’t figure out how to toggle between the two. Lol.


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Have you checked to make sure it's still set correctly for both day and night? Power outage or anything lately that could have caused a problem?

Have you plugged the uth and che in directly to the wall to find out if they get hotter without a thermostat? If they get hotter without it then you know the problem is the thermostat.