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Lennox HPXB15-024 Furnace Door Switch
The furnace door switch stops initial fan and other risky devices being triggered to start so as to stop a potential explosion. It is quite important to have it traded for new one swiftly if you suspect that it is not working.
What warnings are present when my switch on the furnace door is on its last leg?
- The HVAC system does not begin to work even when you close the door
- The door switch is breaking apart
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