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International Comfort Products T8MPN075F16A1 Furnace Door Switch
The furnace door switch prevents the fan and ignitor from turning on so as to stop a potential explosion. Do not try to fix it, just have it swapped out at once if it is not working in order to prevent injuries.
Cues poorly operating safety door switch
- The door switch appears to be stuck
- The HVAC system will not begin whether the door is off or on
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