The Honeywell Prestige 2-Wire IAQ Kit with RedLINK Black is the correct component used with the following:
The Honeywell Prestige 2-Wire IAQ Kit with RedLINK in Black is a high definition, 2-wire color touch screen thermostat kit used for residential or light commercial applications designed with RedLINK technology. This kit includes the THX9421R5021BB Prestige 2-Wire IAQ Thermostat, THM5421R1021 Equipment Interface Module, C7089R1013 Wireless Outdoor Sensor and 2 Duct Sensors. It keeps a searchable history of alerts and setting changes to the thermostat which helps to determine if there is a system malfunction or by user error.
Honeywell Prestige RedLINK Thermostat Kit Specifications:
The Honeywell Silver/Gray Prestige RedLINK Thermostat Kit has four assignable sensor inputs on the equipment interface module that can be used for wired sensors or dry contact devices. This Prestige thermostat kit features a 7-Day programmable feature and has three assignable sets of universal IAQ contacts to control humidification, dehumidification and ventilation. It also comes standard with a return and discharge air temperature sensor to measure Delta T.