The Honeywell T6861 (Halo) Series digital thermostats are premium controllers designed for 3-speed fan and valve control in 2-pipe or 4-pipe Fan Coil Unit systems.
✔ Versatile Mounting: Available in both Horizontal and Vertical models to suit various architectural requirements
✔ Smart Display: Large LCD screen with Blue or Green backlight options and a user-friendly interface
✔ Energy Efficiency: Integrated Energy Saving mode and programmable Time On/Off features
✔ Advanced Control: Supports 3-speed fan (Auto/Manual), valve control, and optional remote sensors
✔ High Reliability: Retains user settings during power loss, ensuring continuous and stable operation