Honeywell C554A1794 - Cadmium-Sulfide Flame Detector

Photoconductive flame sensing device for sequencing oil burner systems. Features On flame failure, the light sensitive cadmium sulfide cell, in conjunction with flame sensing circuitry, causes the Protectorelay® control to shutdown the main oil burner. Glass-to-metal hermetic seal in plug-in cell prevents deterioration by humidity, soot or oil fumes. Replaceable CAD Cell