Trane ComfortLink II XL850 Wi-Fi Touch Thermostat Nexia Z-Wave TCONT850AC52UB
Up for sale is a Trane ComfortLink II XL850 Smart Thermostat. The XL850 features a large color touchscreen and is designed for compatible Trane ComfortLink II communicating HVAC systems. Trane ComfortLink II XL850 thermostat.