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Carrier 58MVP120F15120 Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and ignitor from starting so as to stop a potential explosion. It is imperative that the switch be traded for new one as soon as possible if it is defective in some way or another.
Key symptoms of a declining switch on the furnace door
- The safety door switch appears as though it has been bent
- The whole system does not function whether the door is open or closed
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