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Whirlpool ATR0945SPP0 Furnace Door Switch
A furnace door switch is a switch that stops the blower and burner being triggered to start so as to stop a potential explosion. You should really have it substituted for a new part ASAP if it is causing you problems.
Key clues of a dying safety door switch
- The HVAC system will not operate even with the door closed
- The safety door switch seems breaking apart
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