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Carrier 38MFQ022 Furnace Door Switch
A furnace door switch is a switch that stops the draft inducer and other risky devices from turning on so as to avoid injuries. It is extremely important that the device is switched out immediately if you can, if you find it to be faulty.
How do you know when your safety switch on the furnace door needs replacing?
- The door switch looks not there
- The HVAC system does not fire up even when you close the door
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