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|
Photoconductive flame sensing device for sequencing oil burner systems
Honeywell Flame Detector, 60 in Lead Length, Cadmium Sulfide, For Use With: R4166, R4184, R8182, R8184, R8185, R8404, R8991, R7997, R7184 and R7284 Oil Primary Control, 1 in L x 1/2 in W x 1-7/8 in H