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Carrier 24ACA460A0030010 Furnace Door Switch
The job of the furnace door switch stops the fan and ignition sequence from switching on so as to stop a potential explosion. You must have the device changed as soon as you can if it is causing you problems.
Red flags the safety door switch will not last the year
- The whole system does not begin to work even when you close the door
- The switch looks like it is removed
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