I have a therm quiet 80 the fan comes on and it tries to ignite but doesn't, it goes back to blower. The shuts down. No heat in other words.

Have you checked flash codes! A condition like this should throw them.

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Originally Posted by ma0641

Have you checked flash codes! A condition like this should throw them.

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Green light flashes twice then pauses then again same thing

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Originally Posted by little knowledg

Green light flashes twice then pauses then again same thing

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Inducer may be bad or pressure switch bad or line clogged. Can you hear the inducer come on? Need a little more info. Also, best to start your own post rather than piggybacking on another.