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Carrier 25HPA442A0030010 Furnace Door Switch
A furnace door switch is a safety feature that prevents the vent fan and burner being triggered to start so as to stop a potential explosion. You must have the device substituted for a new part as soon as possible especially if you suspect it is not working properly.
Easy warnings the switch on your furnace door will die soon
- The furnace will not even begin to start whether the door is off or on
- The door mechanism seems chipped
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