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Carrier 58CTA11010022 Furnace Door Switch
The furnace door switch blocks the vent fan and ignition sequence from activating so as to stop a potential explosion. You should have the switch be switched out as soon as possible if it is damaged so as to prevent something bad happening.
Easy warnings of a poorly working safety switch on the furnace door
- The system will not start even when you close the door
- The safety door switch has been bent badly
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