It doesn t happen all the time.
Water heater pipes vibrating.
Once the pipes are all drained turn the water main back on.
The pipes that deliver hot water to your shower sinks washing machine etc.
Another indication the heater needs maintenance is a rumbling sound produced by sediments being stirred by the water flow inside the tank.
Now if a cpvc line was routed through a hole or area that is too tight you ll hear a rubbing clicking knocking noise anytime hot water runs through that pipe.
If you have air in a pipe caused by a recent repair or another issue you will have to deal with the shaking and sputtering pipes for a short time until the air is forced out.
Some homes use cpvc chlorinated polyvinyl chloride as their hot water supply pipes i e.
I ve lived in this house for 18 years and this is the first time this has happened.
I installed a new water heater about 6 months ago and have had a consistent water hammering mild that occurs every 10 minutes.
There are two heating elements an upper and a lower and it s not uncommon for the upper heating element to vibrate and hum when cold water flows into the tank and circulates around the system.
A loose pipe strap allows the pipe to freely vibrate against framing members as water is turned on and off.
If maintenance does not cure the problem the noises may be something as simple as the expansion and contraction of the main steel tank or expansion tank during normal operation.
My water pipes started vibrating about a month ago.
A water hammer is what happens when the water inside the pipes hits the valve when you close the faucet.
In four of the baths when the toilet is flushed the water cutoff causes the pipes to vibrate very loudly somewhere in the wall or ceiling.
The water supply pipes in your house s plumbing may make noises or vibrate for a number of reasons including water hammer or broken straps.
Water hammers can be very loud and very disturbing but you ll only hear a water hammer after you ve turned off the faucet.
Use a deliming mixture to clean the tank and drain the water heater.
Just leave your faucets on until the water flow returns to normal.
You can see a helpful diagram of this phenomenon here.
Although annoying when your water heater is making a vibrating noise it s generally not harmful to either the heating element or the water heater.
Pipes can vibrate and sputter or spit violently making lots of noise if there is air trapped in them.
If a vibrating pipe seems to be behind a wall if you need a new water pressure regulator or if you d like to install slow shutting valves to avoid water hammer issues call your trusted plumber who ll take care of the problem efficiently and well.
Sometimes a water hammer can occur when a pipe mounting strap is loose.