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International Comfort Products T9MPD125L20C2 Furnace Door Switch
A furnace door switch is a switch that stops the vent fan and ignitor from activating so as to stop a potential explosion. You must have the device substituted for a new part as soon as possible if it is not working in order to prevent injuries.
How can I tell if my switch on the furnace door is dying?
- The system does not begin to work even when you close the door
- The safety door switch seems fallen off
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