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Samsung MH026FNCA Furnace Door Switch
The furnace door switch is a safety switch which inhibits the draft inducer and ignition sequence from turning on so as to avoid injuries. You must have the device substituted for a new part as soon as you can if it is causing you problems.
Key indicators that my safety furnace door switch is dying?
- The safety door switch is worn
- The furnace cannot run even when you close the door
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