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International Comfort Products PAF048K000A Furnace Door Switch
A furnace door switch is a safety feature that prevents the blower and ignitor being triggered to start so as to stop a potential explosion. It is imperative that the switch be swapped out as quick as you can if you suspect that it is not working.
General warnings of an unhealthy safety switch on the furnace door
- The system will not operate even when you close the door
- The switch appears as though it has been not there
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