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Gas boiler won't stay lit!

This is an older gas boiler, when it works it is great! The igniter lights the pilot and then shuts off and on 3 or 4 times. I have found just yesterday that when I blow at the pilot, like getting a gas range to light, the burners on the furnace fire up! ? Any ideas?

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  • 334 Answers

The burners and pilot need to be cleaned.
Turn off gas and power, remove the burners and pilot. Clean with a brass wire brush. (Steel wire can be used but very carefully) Remove all rust dirt etc. reinstall and it should fire right up.

Posted on Dec 29, 2008

1 Suggested Answer

SOURCE: Iv"e purchased a older home with an old 1984 era

Make sure the thermostat is turned all they way up.
Also make sure the gas valve is turbed to on instead of standby,

Posted on Jul 05, 2010

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Im calling for heat from the thermastat and control panel, the boiler light and and the fan is running, but no matter how many times i keep re trying the pilot and burner will not commence, is there...


I would check to make sure control on gas valve is in on position and pilot is lit if you have a standing pilot. If you have a spark or hot surface ignitor make sure they are trying to lit pilot. If you have standing pilot model and pilot lit is not on. Turn control on gas valve to off,wait five mins. then turn to pilot. Depress botton and try to light pilot. If it lights hold down for a couple of mins. then release.. If pilot stays lit turn control to on. If thermostat is calling for heat this should bring main burner on. If pilot does not stay lit then replace thermocouple. Hope this helps. Thanks

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