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International Comfort Products T8MPT125J20A1 Furnace Door Switch
A furnace door switch is a switch that prevents the blower and ignitor from activating so as to stop a potential explosion. It is extremely important that the device is traded for new one quickly if it is defective in some way or another.
General indicators that your furnace door switch will eventually need to be replaced
- The HVAC system will not even begin to start even with the door closed
- The safety door switch appears as though it has been bent
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