I have a miller propane furnace sp-3 the end of the pilot tube is building up with black to the point it clogs

Does any one know what might cause this?

I have a miller propane furnace sp-3 the end of the pilot tube is building up with black to the point it clogs
The end of the pilot tubing should have a pilot hood.


Black is soot from lack of oxygen. Sounds like your pilot hood and orfice need to be cleaned.


Somebody that knows what there looking at should do this.



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