Re: Water Heater knocks and pings
Posted by e-plumber on January 26, 2004 at 17:54:07:
In response to Re: Water Heater knocks and pings
: My hot water heater has developed some strange knocks a pings whenever I run hot water in my house. We have really bad hard water in my area (the worst I've ever seen) and the unit is probably less than 20 years old. The problem developed when I returned from vacation so the water had not been run for about three weeks. Can anyone offer any insight? Is this something serious?

If your WH is gas, the noise could be from scale build-up on the bottom of the tank not allowing it to heat properly. If the water heater is 20 years young, it should be replaced and your water should be tested and treated.
Good Luck. e-plumber

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