Water Heater Pipes Vibrating

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.

Water heater pipes vibrating.

Water hammers can be very loud and very disturbing but you ll only hear a water hammer after you ve turned off the faucet. You can see a helpful diagram of this phenomenon here. My water pipes started vibrating about a month ago. Just leave your faucets on until the water flow returns to normal.

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. 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. A loose pipe strap allows the pipe to freely vibrate against framing members as water is turned on and off. It doesn t happen all the time.

A water hammer is what happens when the water inside the pipes hits the valve when you close the faucet. Another indication the heater needs maintenance is a rumbling sound produced by sediments being stirred by the water flow inside the tank. Sometimes a water hammer can occur when a pipe mounting strap is loose. Once the pipes are all drained turn the water main back on.

Use a deliming mixture to clean the tank and drain the water heater. 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. Ignoring the vibration in your faucet s hot water supply pipe can lead to serious problems with the pipe since the vibration could be the early warning sign of major problems. The pipes that deliver hot water to your shower sinks washing machine etc.

I ve lived in this house for 18 years and this is the first time this has happened. 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. 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.

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. These straps consist of metal plumber s tape or the vinyl coated nail in hooks and hangers that attach pipes to framing. Turning off the cold water faucet at the sink also causes a vibration.