Honeywell Home Rth221b Programmable Thermostat

Honeywell Home RTH221B Programmable Thermostat RTH221B1039 White 1 Program.

Honeywell Home RTH2300B 5-2 Day Programmable Thermostat

About this item

The display panel is backlit with an intuitive interface for one-touch access to setpoint temperature.

Precise temperature control of +/- 1 degree Fahrenheit.

Separate programs for the weekdays and weekends with 4 program periods per day including wake, leave, arrive and sleep.

Easy to install yourself and works with many heating/cooling systems, plus heat pumps without auxiliary heat.

Built-in battery change and filter change reminders.

Retains programmed memory in event of power outage.

This thermostat is compatible with the following systems: Gas, oil or electric furnace, Central air conditioner, Hot water system with or without pump, Millivolt system, Central heating and cooling system, Heat pump without auxiliary/backup heat. This thermostat cannot be used on heat pumps with backup heat, multistage systems, radiant or line voltage systems..

Box 87