Lennox 80UHG3 lites up but wont stay on.

01-14-2011, 11:43 PM	#1
Cajuntiny Newbie   Join Date: Jan 2011 Posts: 1	Lennox 80UHG3 lites up but wont stay on. I'm out of ideas, someone please help! My Lennox 80UHG3 gets the signal from the thermostat and comes on. The igniter lites up and then the gas comes on for about 3-5 seconds and goes off again. What is causing this and how can I fix it?

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