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Samsung UQB09JJWC Furnace Door Switch
A furnace door switch is a safety feature that stops the blower and other risky devices from turning on so as to stop a potential explosion. Do not waste time and have it swapped out swiftly if you suspect that it is not working.
Key symptoms poorly operating safety door switch
- The HVAC system will not operate even when you close the door
- The door switch seems to be bent
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