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International Comfort Products PGME36G1154 Furnace Door Switch
The job of the furnace door switch stops the vent fan and ignition sequence from switching on so as to stop a potential explosion. It is important to get the part exchanged for a new one promptly if you suspect that it is not working.
General warnings to watch for in a failing safety furnace door switch
- The switch appears to be damaged
- The HVAC system does not fire up whether the door is open or closed
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