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Carrier 38YCC048 Furnace Door Switch
The furnace door switch stops the draft inducer and ignitor from switching on so as to stop a potential explosion. It is quite important to have it changed as soon as you can if you suspect that it is not working.
Clues to watch for to know your safety switch on the furnace door should need replacing
- The door switch is messed up
- The whole system does not function whether the door is off or on
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