All About Water Hammer and Its Risks

Plumbers in Malverne, NY, discuss water hammer, why it happens, risks, and common fixes.

Malverne, United States - June 29, 2026 / Charles Krull & Son, Inc. Plumbing & Heating /

Understanding and Fixing the Banging Sound From Pipes

Hearing strange noises behind the walls can be alarming for any homeowner, but often, these sounds—specifically the loud banging or knocking—are indicative of a common plumbing issue known as water hammer. Understanding what causes these sounds and how to address them is the first step in protecting the plumbing system and preventing potential damage to the home.

What Is Water Hammer and Why Does It Happen?

sounds Water hammer, often referred to as hydraulic shock, is a phenomenon that occurs when the flow of water within a plumbing system is suddenly stopped or redirected. This abrupt cessation creates a pressure surge that sends a shock wave traveling back through the piping, resulting in a distinct, loud banging noise. Several factors can contribute to this issue. Modern appliances frequently utilize quick-closing valves that trigger this surge. Other contributing factors include loose or improperly secured pipes, excessive water pressure throughout the home, and clogged air chambers that can no longer cushion the pressure changes.

The Risks of Ignoring Water Hammer

leak Ignoring the rhythmic banging of water hammer can lead to significant plumbing issues. The constant stress caused by hydraulic shock puts immense pressure on joints, fittings, and pipe supports. Over time, this weakening can cause leaks or even result in burst pipes. Furthermore, this internal stress often causes problems for water-using appliances that rely on consistent flow. Failing to address these symptoms can ultimately lead to extensive and costly water damage within the home's structure.

Common Fixes for Water Hammer

The most effective approach to resolving water hammer is to consult a professional plumber. A technician can accurately identify the underlying cause—whether it is an issue with the home's main supply or a specific appliance valve—and recommend the most appropriate solution. Potential remedies often include having a plumber install water hammer arrestors to absorb the sudden hydraulic shock. Professionals may also check and lower the home's water pressure or replace a broken water pressure regulator to ensure the system operates safely. Additionally, securing any loose pipes can stabilize the system and silence the noise.

About Charles Krull & Son, Inc. Plumbing & Heating

Charles Krull & Son, Inc. Plumbing & Heating is a family-owned plumbing and heating company serving Malverne, NY since 1910. They offer flat rate pricing, expert workmanship, and clear communication. Call for plumbing services in Malverne, NY.

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Contact Information:

Charles Krull & Son, Inc. Plumbing & Heating


Malverne, NY 11565
United States

Elizabeth Krull
https://www.krullplumbing.com/

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