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Frigidaire FFPH1422R1 Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and gas ignition from switching on so as to stop a potential explosion. It is crucial to have this part changed quickly especially if you suspect it is not working properly.
Key signs of a weak safety door switch
- The door switch appears to be broken completely
- The furnace does not function whether the door is open or closed
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