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Whirlpool ATE0742CPP0 Furnace Door Switch
A furnace door switch is a safety feature that stops the vent fan and ignition sequence from starting so as to stop a potential explosion. It is imperative that the switch be traded for new one as soon as you can if it is damaged so as to prevent something bad happening.
Clues of a declining safety switch on the furnace door
- The furnace door switch is chipped
- The system will not begin even with the door closed
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