Water Heater Making Knocking Noise

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

Water heater making knocking noise. Your water heater is making a knocking banging or popping sound because of the large amount of solid sediment minerals in the tank. Knocking or hammering a knocking sound in your walls is related to pipes heating internally and is literally known as water hammering when water entering or leaving the tank is abruptly turned off it can cause the pipes to move banging against studs or the interior of walls. It s just like how boiling water in covered pot on the stove starts pushing up the pot s top. Read our blog to learn the story behind the water heater knocking sound the problems it can cause and how to fix it.

Hot water heater making a knocking noise there are several potential causes that might explain a persistent knocking noise coming from your water heater. If you find your water heater is making noise when the hot water is turned on it could be caused. The bubbles become trapped and rattle around the sediment at the bottom of the tank causing this knocking popping or rattling noise. Does your water heater make a knocking rumbling noise that could wake the dead.

Both of these things can be dangerous for your device or even your whole plumbing network. It can be loud enough that the reverberations carry and make it seem like the knocking noise is coming from the pipes in the wall. The noise is steam bubbles escaping the sediment that has built up at the bottom of the water heater tank. Open a hot water faucet on a.

The first step is to turn the heater s gas control to the pilot setting. Over time sediment accumulates inside the heater s tank. Drain the water heater tank and flush out the sediment. You can either flush it yourself or call a professional atlanta area plumber.

The popping noise is steam bubbles escaping the sediment. We have found other sources for a noise that could be described as a knocking or popping. The sound is due to the reduced volume in the tank which forces steam bubbles to rise as the burners heat the tank. If so your water heater tank has most likely collected a thick layer of sediment minerals like calcium and lime.

Then shut off the cold water supply to the heater and attach a hose to the tank s drain valve.