Honeywell 1-Week Programmable

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Honeywell RTH221B1039 1-Week Programmable Thermostat Easy to use thermostat for low voltage 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. Features Simple programming (one program for entire week, plus four periods per day) Easy to use Precise temperature control Sleek one-piece design DIY installation