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International Comfort Products NAC260GKA1 Furnace Door Switch
A furnace door switch is a switch that prevents the blower and ignitor from activating in order to prevent injury and fire. It is vital that this part be substituted for a new part ASAP if it is causing you problems.
Red flags of an ineffective furnace door switch
- The door mechanism seems breaking apart
- The furnace does not turn on whether the door is open or closed
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