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International Comfort Products PH5530AKA2 Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and other risky devices from switching on so as to stop a potential explosion. It is quite important to have it swapped out as quick as you can if it is damaged so as to prevent something bad happening.
Warnings of a poorly performing furnace door switch
- The system will not even begin to start even with the door closed
- The door switch seems bent
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