Wally Blanton Plumbing & Sewer

Why Is My Water Heater Noisy?

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Why Is My Water Heater Noisy?

water heater temperature controls on a hot water heater
Discover the common causes of water heater noises and how to address them for a quieter, more efficient system.

Discover the common causes of water heater noises and how to address them for a quieter, more efficient system.

Common Causes of Water Heater Noises

A noisy water heater can be a sign of various issues, from sediment buildup to mineral deposits. Understanding the underlying causes can help you address the problem and restore your water heater’s quiet operation.

Sediment Buildup

Over time, minerals and sediment can accumulate at the bottom of the water heater tank, leading to a rumbling or popping sound as the water heats up. This buildup can also reduce the efficiency of your water heater, leading to higher energy bills.

Mineral Deposits

Hard water can cause mineral deposits to form on the heating elements, resulting in a crackling or hissing noise. These deposits can also impede the water heater’s ability to heat the water effectively.

Loose Parts

Loose or worn components, such as the anode rod or the pressure relief valve, can cause a banging or knocking sound. Addressing these issues can help restore the quiet operation of your water heater.

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