Description
This is a new 36" Thermopile 250-750 Milivolt. It replaces the part numbers listed below.
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:
21432 21-432 A70-4151
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Repair Difficulty Level
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Partial list of Model numbers that use this part:
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