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International Comfort Products TCH460AKA1 Furnace Door Switch
The job of the furnace door switch stops the blower and burner from turning on so as to stop a potential explosion. It is crucial to have this part swapped out as soon as you can if it is damaged so as to prevent something bad happening.
Simple indications of a barely functioning safety switch on the furnace door
- The furnace does not operate with the door closed
- The safety door switch looks as if it has been eroded
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