Goodman Ignitor Keeps Burning Out - HVAC - DIY Chatroom Home Improvement Forum

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Old 03-22-2011, 09:49 AM   #1
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Goodman ignitor keeps burning out

Hot surface ignitor 20165703S

Goodman furnace is 6.5 years old. We've replaced the ignitor 5 times now. They never last. I tried the nicer carbide replacement as well and it didn't last. Voltage seems within spec, no dust or particle build up, and the surface was not touched during installation. We've kind of come to accept that it's a disposable item for us, but are curious to know why they burn out so often and if it could be a sign of a larger issue. We have the furnace inspected annually and no alarm flags have come up.


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Old 03-22-2011, 10:44 AM   #2
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try silicon nitride ignitor


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Old 03-22-2011, 06:36 PM   #3
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They should not burn out that often. Probably the relay on the circuit board for the igniter is sticking on. It is supposed to shut it off when the burner flame is sensed. Probably an intermittent problem. Make sure the board is properly secured to the mounting plate and that is properly secured to the fan housing. They can come loose, lose their grounding and burn out.
"Cut it twice and it is still too short".
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Old 03-23-2011, 09:38 AM   #4
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Humidity will shorten an ignitors life.

Just because you can, doesn't always mean you should
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