Honeywell Home THM5421R1021 IAQ Equipment Interface Module, Multicolor

What do you want from a thermostat? You want it to be easy to use, reliable, and able to control all aspects of your home's indoor air quality (IAQ).

Look no further than the Prestige IAQ Thermostats! With four sensor inputs for wired sensors or dry contact devices, you can monitor temperature, humidity, and other important factors in your home.

Plus, you get three sets of IAQ contacts to control humidification, dehumidification, and ventilation - all with the simple touch of a button! And the best part? It's compatible with all versions of Prestige IAQ Thermostats and the New RedLINK VisionPRO Thermostats.

Don't settle for anything less - choose the Prestige IAQ Thermostats today!