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Whirlpool ATR1243RPP0 Furnace Door Switch
A furnace door switch is a switch that blocks the vent fan and ignitor from switching on so as to stop a potential explosion. It is crucial to have this part changed at once if you find it to be faulty.
Important clues of a dying switch on the furnace door
- The whole system does not even thing about starting even when you close the door
- The switch is broken completely
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