Why is My Hot Water Heater Making a Loud Noise?

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Have you ever thought to yourself, “Why is my hot water heater making a loud noise”? If so, you’re among the large number of home owners in the GTA who have experienced strange sounds coming from their hot water heater.

There are many reasons why your hot water heater is making a loud noise, and each problem results in its own unique sound. While not all sounds are dangerous, it is a good idea to keep an ear out for any sudden or unusual sounds coming from your water heater.

In this article, we’ve rounded up Tags the most common water heater noises you’ll hear, what they might mean and how to start troubleshooting the issue.

Popping Noise
Popping noises while your water heater is operational are usually caused by a build up of mineral deposits at the bottom of the tank. Draining the tank or de-scaling the tank may resolve the problem. A professional’s help is suggested for this task.

Boiling Noise
Hearing a boiling sound coming from your water heater could actually mean that the water inside is boiling! Check the hot water heater’s thermostat and turn it down If you find it above 120 degrees Fahrenheit. The water is overheating and can be incredibly dangerous, causing scalding.

Screeching Noise
A screeching sound from your water heater typically indicates that the control valve at the water heater inlet is partially closed. Check this and any other control valves to make sure they are fully open to reduce the noise.

Banging Noise
A banging noise when your hot water heater first starts up could indicate a dangerous gas explosion caused by excess gas at startup. In this case, your water heater is malfunctioning and should be examined by a professional immediately.

Rumbling Sound
As water is heated and expands within the tank, it makes its way through any sediment buildup within your tank and creates a rumbling sound. Flushing the sediment from the tank is a good idea to help your water heater work more efficiently.

Humming Sound
If you have an electric water heater, the humming sound you hear is likely normal and will not cause further damage to the tank or heating element. However, if you wish to reduce the humming sound, you can try tightening the heating element.

Finding yourself stumped by one of these sounds? The experts at Evam Canada can help diagnose why your hot water heater is making a loud noise. Contact us to book a repair appointment as soon as possible so we can restore your water heater to normal!

Evam CanadaWhy is My Hot Water Heater Making a Loud Noise?

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