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SPT WA-1230H Furnace Door Switch
This switch stops the blower and burner from starting so as to avoid injuries. It is quite important to have it exchanged for a new one as soon as you can especially if you think it is defective.
What to see if the furnace door switch is not working properly?
- The safety door switch is broken completely
- The HVAC system will not start whether the door is open or closed
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