Honeywell Home RTH221B 1-Week Programmable Thermostat

Simply Programming: One program for the entire week, up to 4 periods per day
Set desired temps for 4 periods: Wake, leave, return, and sleep
Precise temperature control of +/-1 Degree Fahrenheit for consistent comfort
Easy to read digital display: Fahrenheit or Celsius temperature, 12 or 24 hour clock
Do-it-yourself installation capability: Compatible with heating, cooling, and heat pump without auxiliary heat

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