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International Comfort Products C8MPT100F14B1 Furnace Door Switch
The furnace door switch prevents the blower and other risky devices from activating so as to stop a potential explosion. Do not try to fix it, just have it switched out swiftly if you suspect that it is not working.
Subtle hints your furnace door switch needs replacing
- The system will not start whether the door is open or closed
- The safety door switch has been chipped
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