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International Comfort Products T8MPT100J20A1 Furnace Door Switch
A furnace door switch is a switch that prevents the vent fan and other risky devices being triggered to start so as to stop a potential explosion. You must have the device substituted for a new part as quick as you can if it is causing you problems.
Signs the safety door switch is failing
- The system will not fire up whether the door is open or closed
- The furnace door switch looks beat up
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