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Lennox XP14-060 Furnace Door Switch
A furnace door switch is a switch that blocks the blower and ignition sequence being triggered to start so as to stop a potential explosion. You should really have it swapped out promptly if it is not working in order to prevent injuries.
Indications your safety switch on the furnace door will eventually need to be replaced
- The system will not even begin to start whether the door is off or on
- The furnace door switch looks like it is not there
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