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International Comfort Products PGC048L080F Furnace Door Switch
A furnace door switch is a safety feature that prevents the vent fan and ignition sequence from starting in order to prevent injury and fire. You should really have it substituted for a new part at once if it is damaged so as to prevent something bad happening.
Major symptoms your furnace door switch is dead
- The whole system will not start whether the door is open or closed
- The furnace door switch looks like it is damaged
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