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International Comfort Products TCH248AKA1 Furnace Door Switch
The furnace door switch is a safety switch which stops initial fan and ignitor from activating so as to avoid injuries. It is vital that this part be substituted for a new part swiftly if it is causing you problems.
Red flags of an inadequate switch on the furnace door
- The furnace will not start whether the door is open or closed
- The furnace door switch has been beat up
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