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Goodman GSH140181A Furnace Door Switch
A furnace door switch is a safety feature that prevents the vent fan and ignitor from activating so as to stop a potential explosion. It is imperative that the switch be replaced as soon as possible if you find it to be faulty.
Signs of a deteriorating safety switch on the furnace door
- The switch looks as if it has been stuck
- The HVAC system will not operate whether the door is off or on
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