The Honeywell 2-Wire IAQ White Thermostat with RedLINK is the correct component used with the following:
The Honeywell 2-Wire IAQ White Thermostat with RedLINK features a 7-Day programmable feature and has three assignable sets of universal IAQ contacts to control humidification, dehumidification and ventilation. The wireless range of the equipment interface module can be extended by connecting a THM4000R1000 Wireless Adapter to the ABCD terminals. This high definition, 2-wire color touch screen thermostat is used for residential or light commercial applications designed with RedLINK technology.
Honeywell 2-Wire IAQ White Thermostat Specifications:
The Honeywell 2-Wire IAQ White Thermostat with RedLINK 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. This RedLINK thermostat has four assignable sensor inputs on the equipment interface module that can be used for wired sensors or dry contact devices. It also comes standard with a return and discharge air temperature sensor to measure Delta T.