On flame failure, the light sensitive cadmium sulfide cell, in conjunction with flame sensing circuitry, causes the protector lay 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
- Minimum sensitivity at 2 ft. candles
- Glass-to-metal hermetic seal in plug-in cell prevents deterioration by humidity, soot or oil fumes
- Replaceable cad cell
- Minimum sensitivity at 2 ft. candles