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An additional temperature sensor that switches the heating off when the temperature in the room is 5°C above the temperature preset on the control panel.
Or switches the heater on on when the temperature has dropped by more than 5°C from the temperature preset on the control panel.
With PU-27 control panel or Comfort Control AT0050: Allows the heating to be controlled in relation to a room other than the one in which the control panel is located.
