This is a Brand New OEM Lennox/Armstrong/Ducane Furnace Flame Sensor. Part # is 69W43 (also 69W4301). This sensor has a 90 degree bend in it. Thanks and Good luck!
A flame sensor senses the furnace flame ensuring that ignition has occurred. It then monitors the flame until the furnace shut down. Should combustion be disrupted for any reason the sensor loses its signal and shuts the gas valve off.
Replaces Old Part #s:
Repair Difficulty Level:
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