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International Comfort Products NTVM125KNA1 Furnace Door Switch
A furnace door switch is a switch that stops the blower and ignitor from turning on 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.
Major symptoms poorly running safety door switch
- The door mechanism looks like it is beat up
- The furnace cannot run even when you close the door
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