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Kenmore 661624630 Furnace Door Switch
A furnace door switch is a safety feature that blocks the vent fan and ignition sequence from turning on so as to avoid injuries. It is quite important to have it swapped out as soon as possible especially if you think it is defective.
What signals that my safety door switch is not working right?
- The door mechanism looks as if it has been broken completely
- The HVAC system will not start with the door closed
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