TF428DN-RSBS_U Honeywell Home Orchid 3 Series FCU On/Off Thermostat Remote Setback Black
The TF428 Series digital thermostat is designed for 3-speed fan and valve control in a fan coil system.
- 2-pipe cool only/heat only/manual changeover
- 4-pipe manual/auto changeover (VC4013 valve only)
- Ventilation mode
- Manual or automatic 3-speed fan control
- On/Off water valve control
Besides the basic controls, TF428 Series featuring CPH (Cycle Per Hour) better maintains the room temperature to the setpoint and Random Start-up Function would help to maintain power grid stability.
In addition, Honeywell Home Memorized Time Off Function can automatically turn off the thermostat to save energy.