Honeywell RTH221B

Honeywell 1 Week Programmable Thermostat

• One program for the entire week-4 periods per day.
• Digital display.
• Compatible with heating, cooling and heat pumps without auxiliary heat, Does not work with electric baseboard heat (120-240V) multistage HVAC systems.
• Accurate temperature control of plus/-1-Degree F for consistent comfort.
• Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock.

Our 1-Week Programmable Thermostat has basic operations and is simple to use. It takes one program for the entire week, plus there are four periods per day you can program for like sleep, wake, leave and return. You can install it yourself, and its compatible with most heating and cooling systems.