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Lennox XP14-018 Furnace Door Switch
A furnace door switch is a switch that inhibits the vent fan and other risky devices from activating so as to avoid injuries. You must have the device substituted for a new part swiftly if you find it to be faulty.
Key symptoms of an ailing safety door switch
- The safety door switch is stuck
- The HVAC system cannot run even when you close the door
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