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Carrier FY4ANF024000 Furnace Door Switch
A furnace door switch is a switch that prevents the draft inducer and gas ignition from activating so as to stop a potential explosion. It is quite important to have it exchanged for a new one quickly if you suspect that it is not working.
What red flags are there that my safety furnace door switch really needs to be replaced?
- The furnace does not run even when you close the door
- The safety door switch seems to be stuck
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