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Old 03-16-2008, 08:15 AM   #1
Join Date: Feb 2008
Location: White Plains, New York
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Water Heater Noise

I noticed my Gas Hot Water Heater makes a "clang" just after it finishes heating up.
Anything to fix?

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Old 03-16-2008, 09:42 AM   #2
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Location: Eugene, Oregon
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Water Heater Noise

Try draining and flushing the tank out.

Fix it right the first time, so you won't have to fix it a 2nd time.

2008 Oregon Specialty Plumbing Codes
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Old 03-16-2008, 11:58 AM   #3
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Water Heater Noise

Does it have an adjustable damper in the gas exhaust (vent) line? If so, it may be loose and is "slamming" shut when the burner shuts off.
If you have never made a mistake, you haven't done much.
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Old 03-18-2008, 03:04 AM   #4
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Water Heater Noise

Often times there is a baffle in the flu that expand when wh is heating sometimes it will make a popping noise as its expanding, nothing to worry about. Could be minerals in bottom of heater.
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