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Lennox CBX32MV-036 Furnace Door Switch
A furnace door switch is a switch that stops the blower and ignitor from starting so as to avoid injuries. Do not waste time and have it replaced as soon as you can if you find it to be faulty.
Subtle cues of a faulty safety switch on the furnace door
- The switch looks as if it has been chipped
- The HVAC system will not even begin to start whether the door is off or on
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