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International Comfort Products PGMD30G0604 Furnace Door Switch
This switch stops the vent fan and other risky devices being triggered to start so as to stop a potential explosion. It is crucial to have this part changed as quick as you can especially if you suspect it is not working properly.
Major symptoms of a weakening safety furnace door switch
- The whole system does not fire up whether the door is off or on
- The switch looks like it is broken
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