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International Comfort Products C9MPT075F14B1 Furnace Door Switch
A furnace door switch is a switch that blocks the blower and ignitor from starting so as to avoid injuries. It is quite important to have it replaced immediately if you can, if it is not working in order to prevent injuries.
Signs of a worsening safety switch on the furnace door
- The HVAC system does not even thing about starting whether the door is off or on
- The furnace door switch appears to be beat up
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