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International Comfort Products PGAD42E1K5 Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and other risky devices being triggered to start so as to stop a potential explosion. It is crucial to have this part substituted for a new part quickly if you see that it is broken.
Known indicators the your furnace door switch is on its last leg?
- The safety door switch appears to be breaking off
- The HVAC system will not even begin to start whether the door is off or on
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