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Originally Posted by jrd;34***9
My gas water heater periodically makes a sound like marbles are bouncing around inside the tank. I have drained the tank twice thinking it was the result of trapped gas.....but the noise continues. How can I eliminate this problem?  |
Our hot water tank makes the same sounds and I was convinced there was a problem. We had it checked out ( do not remember who we had) and was told everything was fine and the noise was due to the internal heating and expansion.