Honeywell Home RTH221B1039 1-Week Programmable Thermostat

Honeywell Home RTH221B1039 1-Week Programmable Thermostat

• ONE WEEK PROGRAMMING: Set one identical program for the entire week with four program periods per day including wake, leave, arrive and sleep.
• PRECISE TEMPERATURE CONTROL: Precise temperature control of +/- 1 degree Fahrenheit
• DIGITAL DISPLAY: Easy-to-read digital display with an intuitive interface for one-touch access to setpoint temperature
• EASY INSTALLATION: Easy to install yourself and basic operation keeps programming simple
• REMINDERS: Built-in battery change reminders (2 AAA batteries are required for operation)
• SET POINT RETENTION: Set point is retained in memory in the event of a power outage
• DISPLAY OPTIONS: Fahrenheit or Celsius; 12 or 24 hour clock. Note: This thermostat is not backlit.
• OVERRIDE OPTIONS: Permanent and temporary override capability
• COMPATIBLE WITH: Heating, cooling and heat pumps without auxiliary heat options
• Does NOT work with electric baseboard heat (120-240 V), heat pumps with backup, or multi-stage heating/cooling. For indoor use only.