Dual-supervision of burners / supervision of the main flame or of the ignition and main flame by 2 identical or different types of detectors  Supervision of forced draft oil / gas burners / supervision of the flame with different types of detectors, depending on the operating mode  Multiflame supervision / plants with several burners whose flames must be supervised individually by one or several detectors, whose startup and supervision, however, should or must be carried out centrally and simultaneously by only 1 burner control  ¡El flame safeguards can also be used in connection with other types of burner controls provided the given combination and selected connection circuit do not impair the burner control’s safety functions  ¡El flame safeguards are also used as flame indication units in combustion plant with manual startup