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International Comfort Products H8MPL075F16A1 Furnace Door Switch
This switch prevents the fan and other risky devices being triggered to start so as to avoid injuries. It is extremely important that the device is substituted for a new part as soon as you can especially if you think it is defective.
Important red flags of a worsening safety switch on the furnace door
- The HVAC system does not run with the door closed
- The switch looks chipped
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