WebApr 6, 2024 · If your AO Smith water heater is making a popping or knocking sound, try flushing the unit a few times. To do this, connect a water hose to the drain valve, turn the heater to pilot, turn off the cold water supply, open the hot water side on any tap, then open the drain valve and drain. AO Smith Water Heater Burner Sound Web3 Answers. Sorted by: 4. You probably have sediment buildup in the bottom of the hot water heater. Pockets of water get trapped in the sediment/scale at the bottom of the hot water heater, turn to steam when it heats up, then "explode" causing the noises you are hearing. You could try draining the water heater to get some of the sediment out ...

Why is my water heater is making crackling, popping or …

WebJan 21, 2024 · Wait about 10 minutes for the water heater to fill up once more, then turn on a hot water faucet to purge any air out of the tank. … WebMar 11, 2024 · 3. Soundproof ceiling and door. If your water heater is stored in the basement, it makes sense to soundproof the ceiling too so that you can reduce the level of noise pollution experienced in the house. Similarly, if your water heater is stored in a cupboard, it’s a good idea to soundproof the door along with the walls. food science and technology sop for uk

[DIY Fix!] Normal for Water Heater to Make Popping Sounds?

WebJun 10, 2024 · An exploding water heater occurs when there is too much pressure. A popping noise is telling you that the unit cannot efficiently function. If neglected, the … WebAnswer: If your water heater is making crackling, popping or rumbling noises, you have sediment built up in your water tank. The popping or crackling sound that you hear is water trying to force its way through the … WebFeb 12, 2024 · If mineral deposits are causing the popping noise in your water heater, you will need to flush out the tank. Start by turning off the power and then drain at least two gallons of water from the tank to … food science and technology uga