Boiler Heater Blowing Black Soot When It Fires - HVAC - DIY Chatroom Home Improvement Forum

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Old 01-06-2009, 06:59 PM   #1
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Boiler heater blowing black soot when it fires

I have a new yorker boiler heater that blows black soot out of air damper when it fires.The black soot looks like pepper.The heater is only 1 year old.I fully cleaned it and I replaced the line filter. I even replaced the nozzle and it still blows soot.Can the heater be burning too rich ? Do I have to adjust the air going into heater? If so ,How do I adjust the air band.Please help!!!!!!!!!


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Old 01-06-2009, 07:11 PM   #2
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That burner should be set up with a combustion analyzer by a knowledgable technician.


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Old 01-06-2009, 08:36 PM   #3
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Setting it up without an annalyzer will make it use more oil.

Have a company come out and set it up.

If its blowing out soot, it already needs cleaned again.
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