Enjoy simple control of your heating and/or cooling system with Honeywell's RTH1100B. Its slim compact design along with the backlit display keeps it easy to use, view and compliments your home. One year limited warranty.
- Large, easy-to-read back lit display even in dimly lit rooms and hallways
- Advanced temperature control of +/-1 degree F
- Compatible with heating and cooling systems
- Does not work with electric baseboard heat (120-volt - 240-volt), heat pump systems or multi-stage heating/cooling