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Feature
Used With: THM5421R1021 Equipment Interface Module and RedLINK accessories,Control heating, cooling and IAQ equipment with only 2 wires at the thermostat. Heating, cooling and IAQ equipment wires to the Equipment Interface ModuleSmart Schedule - programs in seconds for any lifestyle
Patented interview based programming and installer setup
Red LINK wireless communication
Selectable for residential and light commercial applications. Meets commercial code and is title 24 compliant