This detector is mounted in the air tube of the burner in such a way as to sight the flame.
Fuel oil furnace cad cell.
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The cadmium sulfide cell or cad cell is part of the primary control system and is used to sense the presence of the oil burner flame.
Explanation of the operation and troubleshoot of the cad cell relay and the cad cell used as flame safety controls in oil burners this video is part of the o.
In this respect it pro vides the same function as the thermocouple in a gas furnace.
The function of the cad cell is to prove detect and verify the burner flame at the start of the heating cycle.
Product overview the beckett replacement cad cell relay is designed for an hvac heating application.
It is located inside the burner assembly in back of the burner access panel.
Comes in a bubble pack as pictured.
Honeywell replacement cad cell part numbers are 120320 124607 and 130367.
The cad cell assembly consists of the actual cell a holder and cord to connect the cell to the primary control.
Works on most residential oil burner applications.
The oc 10 is a direct replacement for the honeywell c554a.
This replacement cad cell relay is designed for use with a beckett afg burner.