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International Comfort Products H8MPV100J20A1 Furnace Door Switch
The furnace door switch is a safety switch which stops the fan and ignitor from turning on so as to avoid injuries. You should really have it exchanged for a new one as quick as you can especially if you suspect it is not working properly.
Major indications your safety switch on the furnace door is going to die
- The whole system does not function even with the door closed
- The furnace door switch looks as if it has been worn down
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