TF428CN/U Honeywell Home Orchid 3 Series FCU On/Off Thermostat Copper

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    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.

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