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Old 07-11-2014, 08:06 PM   #1
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Hot Water Heater Soot

Getting a little soot coming out of the Hot Water Heater Outside Vent, Ive already tried to adjust the flame for the minimum red flame.

Any thoughts

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Old 07-11-2014, 10:26 PM   #2
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Usually when that's happens it's lack of oxygen caused by a blockage in the burner tube. It happened to mine many years ago and it was a Spider Web inside that tube, removed it and that solved my problem.

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Old 07-12-2014, 07:09 AM   #3
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I agree, there's some kind of air flow restriction. Check not only the burner tube, but the gas tube, the one with the adjustable air slots in it. As already suggested, spiders can wreak havoc with the air flow.
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Old 07-12-2014, 12:32 PM   #4
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Spending a few days at high altitudes will do it too.
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Old 07-12-2014, 05:36 PM   #5
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Is 800 ft considered high elevation? I know I am in the mountains of NJ but have no clue what Altitude is considered hi.
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Old 07-12-2014, 05:42 PM   #6
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I had the same thing happen. I used my air compressor to blow air into the burner tube to clean it out. This corrected this. Warning, don't stand in line with the water tank vent when you blow it out. You might be hit with soot.

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