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Payne PG8JAA048070AAJA Furnace Door Switch
The furnace door switch stops the fan and ignitor being triggered to start so as to stop a potential explosion. Do not try to fix it, just have it traded for new one at once if it is not working in order to prevent injuries.
Signs of a bad safety furnace door switch
- The furnace door switch looks as if it has been worn
- The HVAC system does not begin to work with the door closed
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