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I have a old furnace model #58GC080-1A The pilot stay's lit but when I turn the furnace on the fan come's on but burner don't come on, can you tell me what's wrong?

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Or faulty thermocouple

Posted on Dec 01, 2016

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Possible faulty gas supply valve.

Posted on Dec 01, 2016

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? 2:44
https://www.youtube.com/watch?v=yXIxgzwMkPs
Nov 17, 2012 - Uploaded by grayfurnaceman
This furnace should light its pilot with a spark then the pilot proves its on ... Troubleshoot an ignition problem on a Lennox gasfurnace .... Pilot and no inducer but is the same model as that great video! ... You probably have dirty burners. ... How do you know spark module is not sending 24 volts to mv and pv ...

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I have a Model CGN250TE.The pilot light stays lit but when you turn control valve on it stays lit for 5 seconds and then shuts right down,even the pilot light goes out.I have tried venting the room and...


I would first check the gas pressure to your furnace. Then make sure that burners are clean and watch flames when burner first ignites. I have seen burners that were dirty cause delayed ignition that would create a suction when they came on and extingush pilot and burners.
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