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Goodman GKS90453BX Furnace Door Switch
The furnace door switch is a safety switch which inhibits the fan and ignition sequence being triggered to start so as to stop a potential explosion. It is imperative that the switch be exchanged for a new one immediately if you can, if it is defective in some way or another.
Simple signals your furnace door switch needs to be replaced
- The furnace door switch appears as though it has been not there
- The whole system will not fire up even with the door closed
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