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International Comfort Products HAC036AKA1 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the fan and ignitor from switching on so as to stop a potential explosion. It is vital that this part be replaced promptly if it is not working in order to prevent injuries.
Known indicators the your furnace door switch is dying?
- The door switch looks removed
- The HVAC system will not engage whether the door is open or closed
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