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Posted on Jan 08, 2010
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I have a Lenox furnace. Before this igniter kicks off, there is a loud noise comes from furnace. Where is that noise from? Thanks.

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  • Paul Carew May 11, 2010

    is it from the fan ?

  • Anonymous May 11, 2010

    More info needed, do burners light? does fan come on?

  • Anonymous May 11, 2010

    Are you talking about the motor? The motor kind of sounds like a fan but at a higher pitch. There should be a cover on the motor to reduce the noise, maybe it is bent out of shape or just not on right. I need more details

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  • Posted on Mar 04, 2010
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This is what we call a "delayed ignition",(gas is not being ignited right away), gas builds up in the chamber and then lights causing a boom. The cause of this problem could be from having dirty burners or ignitor not position to ignite the gas right away or your ignitor may not being glowing enough to ignite the gas being released, check all, Good luck.

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