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Old 02-01-2011, 08:43 AM   #1
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furnace problems


i have a bryant plus 80 furnace. which seems to function fine, except at start up. When the thermostat calls for heat a evac blower turns on to clear the chamber, runs for a few seconds the the ignintor starts to glow the gas valve opens and the burner lights but the goes out. this process has happened as many as 3 times before the burner stays lit. I have been told its the gas valve, the plentum is cracked and is getting a back draft, the burners are dirty and just need to be cleaned. I'm pretty mechanical and can do the repairs, but i'm not a hvac guy so i'm not sure what is going on, anyone have a clue what itr might be??

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Old 02-01-2011, 01:37 PM   #2
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furnace problems


clean the flame sensor...sits in front of the burners looks like this

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