Re: water heater
Posted by hj on January 22, 19100 at 23:54:26:
In response to Re: water heater
If it is a gas water heater, then it is not oxygen bubbles, but rather steam bubbles that are created in mineral buildup pockets, and "explode" when they contact the water outside the pocket. The cavitation that occurs will eventually cause a leak at one of those points and require heater replacement.

: Our home was new in 1993 and in the past 2 years I have been noticing that out water heater is increasingly noisy. It began sounding like mice in the walls and now it sounds like there are rocks in it!!It is very loud and I wonder (1)what it is and (2)if it will do damage. I read a message from someone else and you said it was oxygen bubbles(?)I find it hard to believe that this noise could be caused by anything other than solid material. My neighbor said his does the same thing and that it is a buildup of minerals because we have hard water. Sound possible?

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