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Vibrating water heater

Posted on 2/15/20 at 7:51 pm
Posted by mule74
Watersound Beach
Member since Nov 2004
11303 posts
Posted on 2/15/20 at 7:51 pm
Plumber baws,

I heard a vibrating sound in the wall near my bathroom. I traced it to the attic and it’s one of the tubes coming from my water heater. It’s 13 years old. Is there anyway to make this stop?
Posted by The Nino
Member since Jan 2010
21521 posts
Posted on 2/15/20 at 8:04 pm to
Do you have access to that water line?
Posted by mule74
Watersound Beach
Member since Nov 2004
11303 posts
Posted on 2/15/20 at 8:42 pm to
Yes. I can fill it vibrating. I tired to tighten it. The only way to make it stop is to shut it off that line completely.
Posted by The Nino
Member since Jan 2010
21521 posts
Posted on 2/15/20 at 10:18 pm to
Can you secure the pipe to a wall stud?
Posted by Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
38723 posts
Posted on 2/15/20 at 10:28 pm to
The easiest fix for this kind of knocking is to first turn off your main supply valve. Make sure you communicate to anyone in your home that you are shutting off the valve as it will stop ALL water coming in. Now, flush the lines by opening all of the faucets and flushing your toilets. Water can still leave your home through drainage pipes and this will ensure all of the supply lines are fully empty.

Once the lines are cleared, feel free to turn your main valve back on. It is important to do this slowly so that the air chambers between and around your pipes have time to refill before the water courses back into them. However, now that the pipes were fully emptied, the knocking sound should be completely gone.
Posted by PlanoPrivateer
Frisco, TX
Member since Jan 2004
2796 posts
Posted on 2/16/20 at 9:01 am to
Do an internet search for water hammer. This could be your problem.
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