Honeywell 1-Week Programmable Thermostat

Honeywell Rth221b1039 1-Week Programmable Thermostat

• One program runs for the entire week (4 periods per day)
• Easy to use, basic operation makes programming easy
• Precise +/- 1 degree Fahrenheit temperature control
• Easy to install

Easy to use thermostat for low volt heating/cooling systems Our 1-Week Programmable Thermostat is easy to use and compatible with low volt heating/cooling system, including millivolt and single-stage heat pumps without auxiliary heat. It features simple programming. Just program the entire week. If necessary, you can also program up to four periods per day like sleep, wake, leave and return.