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International Comfort Products N9MP1075B12C1 Furnace Door Switch
The job of the furnace door switch inhibits the vent fan and other risky devices from starting in order to prevent injury and fire. It is quite important to have it exchanged for a new one as quick as you can if it is causing you problems.
Important signs your furnace door switch should need replacing
- The HVAC system will not begin whether the door is off or on
- The safety door switch appears as though it has been stuck
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