Overview The TBZ48 is a battery powered Z-Wave wireless digital thermostat, designed to control the majority of HVAC systems. The TBZ48 contains a robust thermostat interface and is designed for use with communicating systems where remote monitoring and/or remote control are desired. Thermostat Features - Fixed Format Display with white backlight - Heating and Cooling Setpoint display option - System Mode (Off, Heat, Cool, Auto, E-Heat) - Fan Mode display and control (Auto, On) - On-screen setup of HVAC Type, Fan Type, Changeover type for HP systems, F/C mode and sensor calibration