You can find out more about the exceptions and conditions here. Make sure heating and cooling temperatures are set to acceptable ranges 40° to 90°f (4.5° to 32°c). The honeywell th1100dv1000/u thermostat is a device used for controlling heating and cooling systems in residential and commercial buildings Designed and manufactured by honeywell, a reputable company in the hvac industry, this thermostat offers reliable and efficient performance.
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