• Large, Clear Display with Backlighting current temperature, set temperature and time are easy-to-read and all are displayed on the home screen.
• Menu Driven Programming Guides you through the scheduling process, showing only necessary information and choices on each screen.
• Ability to Select Multiple Days allows you to easily customize the thermostat for your unique schedule.
• Real-Time Clock keeps time during power failure; automatically updates for daylight savings.
• Armchair Programming allows you to remove thermostat from wall to set the schedule.
• Precise Temperature Control (+/- 1 F) reliable, consistent comfort.
• Multiple HOLD options allow you to modify schedule indefinitely or for a specific time.
• Change Reminders reminds you to service or replace the air filter, humidifier pad, ultraviolet lamp or thermostat batteries.
• Programmable Fan increases air quality when combined with a whole-house air cleaner.
• Outdoor Temperature Indication (Select Models) shows current outdoor temperature on the display to help you plan outdoor activities.

Part No. - TH8110U1003 - Premier White® Universal Programmable Thermostat with automatic/manual changeover, up to 1 Heat/1 Cool stages and R,RC,C,W,(O/B),Y,G,S1,S2 terminals for heating and cooling systems

Part No. - TH8320U1008 - Premier White® Universal Programmable Thermostat with automatic/manual changeover and up to 3 Heat/2 Cool stages for heating and cooling systems

Part No. - TH8321U1006 - Premier White® Universal Programmable Thermostat with Dehumidification Control, automatic/manual changeover and up to 3 Heat/2 Cool stages for heating and cooling systems

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