Another noisy pipe question
Posted by Tom on February 25, 19100 at 13:59:12:
Six months ago I had my gas water heater replaced. Afterwards the pipes started making a loud machine gun type noise when the hot water is on. Then several months later I noticed water coming from the pressure relief valve when the water is heating. What is causing the noise and could these be related. Will a thermal expansion tank solve these problems.

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