This can be a problem and should be diagnosed and repaired as quickly as possible.
Electric water heater high pitched noise.
Step 1 check the pressure relief valve.
Here s what you should do.
The temperature pressure relief tpr valve is doing its job.
Strange noises duration.
As sediments accumulate at the bottom of the tank your water heating system exerts more effort and energy in warming water.
If you ever hear a high pitched noise coming from your water heater it could be an indication that the tank needs to be flushed already.
A high pitched noise from your water heater can be the result of high incoming water pressure.
Your water pressure and temperature.
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We recommend flushing your water heater at least once a year.
You are sitting in your home perhaps doing the dishes when the peace is rent asunder by a loud high pitched whistling.
Check this emergency relief valve.
If it is hot to the touch this may be the source of the sound.
If the water temperature is set too high though it can eventually cause unsafe pressure inside the water heater.
Water heaters are designed with a temperature pressure relief safety valve.
If not it may be time to replace your water heater.
Water heater troubleshooting is as matter of finding the problem by eliminating possible problems.
Try lowering the temperature.
This valve s job is to open up and allow pressure to.
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.
Thus the high pitched noise is produced.
Every water heater has a water temperature setting that can be adjusted.
If you are hearing a high pitched sound then check out these possible solutions.
There s a safety feature used in your water heater it s called the temperature pressure relief valve.
Why the hot water heater is whistling.
Another indication the heater needs maintenance is a rumbling sound produced by sediments being stirred by the water flow inside the tank.
Make sure your water heater temperature settings are well below 140.
Use a deliming mixture to clean the tank and drain the water heater.
