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International Comfort Products HPFM36K000A Furnace Door Switch
The furnace door switch blocks the vent fan and ignition sequence from activating so as to avoid injuries. Do not waste time and have it replaced quickly if it is not working in order to prevent injuries.
Important signs your safety switch on the furnace door will soon need to be replaced
- The switch appears to be fallen off
- The system will not even begin to start even with the door closed
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