Ignitor white


Old 12-20-10, 09:18 PM
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Ignitor white

Good evening,
I took the the burners out of my furnace the other morning to clean them. She is a ten year old Trane XE90 & noticed about half way down my ignitor was white on both sides.
Does anyone know what this means? she is the original ignitor & has been working great all these years. I have been looking into getting that other kind I can't think of the name right now but I feel as though with our winters I need a spare.
Thank you for your time!
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Old 12-20-10, 09:53 PM
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A nitride ignitor is a common substitute and upgrade for a carbide ignitor.

Silicon Nitride Ignitors

Having a spare ignitor is recommended. Usually the problem is pretty easy to diagnose when the ignitor fails to glow to light the gas, and usually a crack can be observed.

Replacement is pretty easy.
Old 12-21-10, 12:12 PM
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they get white when they are old, keep it till it stops working. why would you want the other kind of igniter after 10 years with this one? replace it with the same igniter if you can.

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