Electric Water Heater Making Popping Sound

It s just like how boiling water in covered pot on the stove starts pushing up the pot s top.

Electric water heater making popping sound. The water heater tank has sediment scale build up minerals from hard water. The steam bubbles would develop under the sediments and explode making such a sound. Turn off the water. Neglecting to flush the tank will only make water heater less efficient which can ultimately cause the water heater tank to deteriorate.

Turn the control knob to pilot on a gas water heater or to off on an electric water heater. 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. Popping sound inside the heater is the result of hard water and sediment buildup at the bottom of the tank and unit s components. Water heaters often make popping or gurgling sounds over a number of year s sediment scale mineral and lime deposits gather on the bottom area of the water heater tank.

Sediments collect around the element tubes of a water heater. String the hose to a floor drain or outside. It is not dangerous but may be annoying at times. Your water heater s heating element is at the bottom of the tank right where the sediment has settled and mixed with water.

Once this water becomes trapped you might hear popping noises as water becomes hot within the electric elements or in the gas burners under the tank. But a large amount definitely can. A small amount of sediment buildup probably won t. The popping noise comes from the water trapped under the mineral deposits.

Apart from regular heaters other models can also make annoying noises. The tank needs draining and flushing. If you don t the flush the tank the water heater s efficiency will drop and in the long run the tank can deteriorate and spring a leak meaning you ll need to replace the water heater. Crackling sizzling hissing or popping if your electric water heater is making a popping noise there s a good chance that the sediment build up at the bottom of the tank has buried the lower heating element.

This is more common on older units and the noise increases as the deposit layer thickens. This popping noise means there s sediment mineral deposits at the bottom of the water heater tank. This condition can also make sounds of crackling sizzling or hissing. Your water heater is making a popping rumbling noise.

How to fix a popping noise on water heaters 1. When these deposits heat up steam builds up in them and then the popping sound occurs. Water under the sediment is steaming and bubbling up pushing the sediment around and causing the popping noise. Connect a garden hose to the drain fitting near the bottom of the tank.

Even a tankless gas water heater can have the same issue. For instance an electric tankless water heater has its unique sound. Can sediment build up hurt my water heater.