Honeywell Programmable Home Thermostat RTH221B Heating Cooling 1 Week
US$18 US$999
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Honeywell Programmable Home Thermostat RTH221B Heating Cooling 1 Week
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* 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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