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International Comfort Products PH5536AKA1 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the draft inducer and burner from activating so as to stop a potential explosion. Do not waste time and have it traded for new one as soon as you can especially if you suspect it is not working properly.
Signals your furnace door switch needs replacing ASAP
- The door mechanism appears to be eroded
- The system will not operate even when you close the door
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