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International Comfort Products H9MPD050F12C1 Furnace Door Switch
The job of the furnace door switch prevents the fan and gas ignition from switching on so as to avoid injuries. It is extremely important that the device is exchanged for a new one swiftly if it is defective in some way or another.
Cues of a poorly performing safety door switch
- The door switch looks as if it has been breaking off
- The HVAC system will not engage whether the door is open or closed
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