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Originally Posted by glatt
Aw crap. And I was so sure of myself.
But in my defense, I've never taken a gas clothes drier apart before, so I don't know what all the parts do.
What does a flame sensor do? Clearly it senses that there is a flame, but couldn't a thermostat do the same thing? Is it a safety device to keep unburnt natural gas from entering the house if there is no ignition?
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The flame might go out during a prolonged burn leaving the surrounding area hot, until that cools the gas will spew forth. A flame sensor will shut the gas off as soon as ignition stops.