The Honeywell T6865 (Halo) Series digital thermostats are designed for application of 3-speed fan and valves in 2-pipe or 4-pipe Fan Coil Unit systems.
✔ Intuitive Interface: Large LCD with blue backlight displays both room temperature and setpoint simultaneously
✔ Precise Control: Advanced P+I control algorithm provides stable temperature and energy savings
✔ Flexible Modes: Supports auto or manual Heat/Cool changeover and Energy Saving mode
✔ Slim Design: Elegant styling suitable for horizontal or vertical standard 86x86mm wall box installation
✔ Advanced Features: Includes keypad lockout, setpoint limitation, and non-volatile memory