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Whirlpool ATR1553SPP0 Furnace Door Switch
A furnace door switch is a safety feature that stops the blower and burner from turning on so as to stop a potential explosion. It is vital that this part be replaced ASAP if you suspect that it is not working.
Warnings of a weak furnace door switch
- The system will not fire up whether the door is off or on
- The safety door switch seems to be not there
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