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Carrier 58MVB120F10120 Furnace Door Switch
A furnace door switch is a safety feature that prevents initial fan and ignitor from switching on so as to stop a potential explosion. It is crucial to have this part replaced quickly if you suspect that it is not working.
Easy warnings of a declining switch on the furnace door
- The whole system will not even begin to start whether the door is off or on
- The safety door switch appears as though it has been beat up
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