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Old 08-30-2011, 11:58 AM   #1
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atwood hot water heater, buildup on burner tube?

I'm not real sure what the name of the area is that I am trying to describe, so will try my best.

When the hot water heater is heating, the flame is blowing out of a pipe about 1/2" in diameter, into a pipe about 2" in diameter.

At the end of the 1/2" pipe, there seems to be some buildup that glows like a cigar ash.

Is this "cigar ash" supposed to be there?


Let me know if what I am attempting to ask is making any sense or if there are any clues I can give to try to make sense

Thanks,
M
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Old 08-30-2011, 04:33 PM   #2
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It is probably rust falling down from the chimney, try vacuuming it out.
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Old 08-30-2011, 06:57 PM   #3
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Quote:
Originally Posted by msimmons View Post
I'm not real sure what the name of the area is that I am trying to describe, so will try my best.

When the hot water heater is heating, the flame is blowing out of a pipe about 1/2" in diameter, into a pipe about 2" in diameter.

At the end of the 1/2" pipe, there seems to be some buildup that glows like a cigar ash.

Is this "cigar ash" supposed to be there?


Let me know if what I am attempting to ask is making any sense or if there are any clues I can give to try to make sense

Thanks,
M
That is the thermocouple wire that senses when the burner is lit. Without a flame the burner automatically shuts the gas off. Its a safety device. Good luck!
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