VisionPRO? 8000with RedLINK? is a 7 day programmable touchscreen thermostat t...VisionPRO? 8000 with RedLINK? is a 7 day programmable touchscreen thermostat that is selectable for residential or light commercial use. The thermostat can be wired directly to the equipment used with the THM5421R1021 Equipment Interface Module or used...more