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Furnace Flame Sensor Rod Replaces Lennox Armstrong Ducane 52W29 52W2901 LB74940A

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Description

This is an Lennox/Armstrong/DucaneFurnace Flame Sensor. This flame sensor fits MANY furnaces. The part number is 903600 which replaces part #s 52W29 52W2901 & LB47940A. The total lenth of the flame sensor is 5 inches.
Function:
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:
52W29 52W2901 LB74940A
Repair Difficulty Level:
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