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International Comfort Products TNK100J16A1 Furnace Door Switch
The furnace door switch inhibits the fan and other risky devices from activating so as to avoid injuries. Do not try to fix it, just have it replaced at once especially if you suspect it is not working properly.
How can I tell if my safety switch on the furnace door is not working properly?
- The furnace cannot run whether the door is open or closed
- The door switch appears as though it has been broken
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