When the element is off the caked sediments trap water beneath them and the water heats until it makes a cracking or popping sound as it is forced through the deposits.
High pitched noise from rv water heater.
Armed with this knowledge it was easy to deduce that the element was the cause.
If you are hearing a high pitched sound then check out these possible solutions.
If it is hot to the touch this may be the source of the sound.
It also only happened during the heating process when the electrical heating element was active.
The noise was only present when the water heater was using electric power not lp gas.
Parts and tools required for rv water heater service.
We have a new potting on the circuit board and new circuitry underneath that causes a humming noise.
High pitched whine from electric water heater the noise i thought was coming from my ac this morning even though it seemed loudest near my water heater was actually my water heater.
Either way call your dealer asap.
Try lowering the temperature.
Check this emergency relief valve.
As sediments accumulate at the bottom of the tank your water heating system exerts more effort and energy in warming water.
This noise may also be produced by a failing pressure relief valve or thermostat so they will have to be changed.
This is normal in operations and will not affect the water heater s function or any components.
Water heater troubleshooting is as matter of finding the problem by eliminating possible problems.
Debris can get stuck in the hot water outlet creating a whistling noise.
Thus the high pitched noise is produced.
It happened again this afternoon and quit immediately when i pulled the disconnect on my electric water heater.
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.
Here s what you should do.
High pitched noise since this type of noise often involves pressure in your water heater the first step to solve the issue is to check the pressure relief valve and if it is working as it should the temperature will be lowered to lessen the pressure.
Step 1 check the pressure relief valve.
Sediments collect around the element tubes of a water heater.
Another cause for a noisy water heater either on gas or electric can be a plugged check valve.