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Fire & Water - Cleanup & Restoration

Is There a Noise Coming From Your Water Heater?

11/12/2022 (Permalink)

Close up of a water heater It might be time to call a plumber if your water heater is making strange noises.

Is Your Water Heater Making Any Noise?

Water heaters are a staple of the home, and they can be used for decades if properly maintained. Most water heaters are installed when a house is built or remodeled, so it's likely that your home has an older model. Over time, these appliances develop quirks and become less energy efficient. The good news is that if you have an older water heater in need of repairs or replacement, it's not as expensive as you might think!

Is your water heater making noises?

  • Is your water heater making noises?
  • When it heats, does the water heater make a loud noise?
  • When it cools down, does the water heater make a loud noise?
  • Does your drain valve open and close with a loud bang when flushing out sediment or other debris that has accumulated inside of it?

Troubleshoot common issues and learn how to repair a water heater

The thermostat is one of the most common causes of water heater noise. A defective or mis-adjusted thermostat can cause the water heater to heat unnecessarily, and this excessive heating causes vibrations that can be heard as clicking or knocking sounds. If you suspect your hot water heater's thermostat is causing excessive vibration, check it for proper operation.

The pressure relief valve should never make any loud noises when heating cycle is complete, but if it does, there are a few possible causes. The gas pilot light may have been accidentally turned off while no one was home or while they were away on vacation; it's important to turn this back on before doing anything else because otherwise the pilot light will go out and leave you without heat in your house until someone remembers to relight it again!

If there are any cracks or leaks in the tank itself—or if its seams aren't tight enough together—water will seep out during periods where usage is high (i.e., morning showers), causing excess pressure inside which could potentially damage wiring components within if left unchecked long enough; resulting from these problems might include hearing strange noises coming from your system when trying something like turning on an appliance like a dishwasher (which uses lots of cold water).

Sediment or debris can cause unusual noise

When sediment builds up in your water heater, it can cause a lot of noise during its operation. This is because the sediment will rub against the inside of your water heater as it heats up and cools down. If you hear unusual noises coming from your hot water heater, there's a good chance that some debris has built up at the bottom of your unit.

The best way to deal with this problem is flush out your water heater or to call a professional plumber who can clean out any debris that may be causing trouble within your system. It isn't dangerous, but it could be causing damage if left unchecked!

If you hear odd sounds from your water heater, it may be time to call a plumber. They can help you troubleshoot the problem and get your water heater back up and running as soon as possible.

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