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Carrier 38AUQ Furnace Door Switch
The job of the furnace door switch stops the vent fan and other risky devices from activating so as to stop a potential explosion. It is vital that this part be changed immediately if you can, if it is damaged so as to prevent something bad happening.
Subtle hints the safety door switch will need to be replaced
- The furnace will not begin even with the door closed
- The safety door switch seems eroded
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