Auxiliary Heat Support
Your home's auxiliary heat pump has special requirements for temperature control — that's where the RTH3100C thermostat comes in. Built-in compressor protection helps keep your system running optimally, and the switchable fan control gives you the option for automatic or continuous run.
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Simple Operation and Consistent Comfort
Get consistent comfort with basic push-button operation, accurate within +/- 1Ëš F. The large, clear backlit display is easy to read in dim or dark hallways for those late-night, early-morning adjustments. Plus, the overall installation is simple, getting you to temp control fast.
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Convenience and Quality
In addition to the usual Heat, Cool and Off system modes, this thermostat also includes an Emergency Heat setting with +/- indicators. When the air outside is too cold to power your auxiliary heat pump, Emergency Heat mode kicks in to supplement. Plus, your thermostat retains its memory in the event of a power outage.
