Honeywell Programmable Home Thermostat RTH221B Heating Cooling 1 Week

Honeywell Programmable Home Thermostat RTH221B Heating Cooling 1 Week New in Open Box- Photos Show Actual Item You Will Receive. * 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.