Solving Water Hammer: How to Quiet Your Noisy Pipes | APT

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Posted by Brian Shoemaker

At Advanced Plumbing Technology, we understand the frustration and inconvenience that comes with noisy pipes caused by water hammer. If you’ve ever been startled by the loud banging or hammering sounds in your plumbing system, you’re not alone. Fortunately, water hammer can be tamed and your pipes can return to their peaceful, quiet state. In this comprehensive guide, we’ll delve into the world of water hammer, exploring its causes, potential hazards, and most importantly, the effective solutions that can help you regain the tranquility of your plumbing system.

Understanding Water Hammer

Water hammer, often referred to as hydraulic shock, occurs when there’s a sudden change in the flow of water within your pipes. This abrupt change sends shockwaves through your plumbing system, resulting in the loud banging noises you hear. It typically happens when a valve is suddenly closed, causing the water to abruptly stop its flow. The momentum of the water is then transferred to the pipes, leading to vibrations and the characteristic hammering sound.

The Hazards of Water Hammer

While water hammer might seem like a mere annoyance, it can actually lead to serious problems within your plumbing system if left untreated. The repetitive shockwaves caused by water hammer can weaken pipe joints, connections, and even lead to pipe bursts. Additionally, the excessive stress on your pipes can accelerate wear and tear, reducing the overall lifespan of your plumbing system. Ignoring water hammer not only leads to potential costly repairs but also compromises the safety of your home.

Identifying the Causes

To effectively address water hammer, it’s crucial to identify its root causes. Common factors that contribute to water hammer include:

  • Quick Valve Closures: When a valve is shut off rapidly, it interrupts the flow of water abruptly, causing the shockwaves.
  • High Water Pressure: Elevated water pressure amplifies the impact of water hammer. Excess pressure can strain the pipes and exacerbate the issue.
  • Loose Pipe Mountings: Inadequately secured pipes can vibrate more intensely when shockwaves travel through them, intensifying the noise.
  • Water Hammer Arrestors: These devices, designed to absorb shockwaves, can degrade over time, reducing their effectiveness.

Effective Solutions

There are a range of solutions to combat water hammer and restore peace to your plumbing:

Water Hammer Arrestors: These devices act as cushions, absorbing the shockwaves produced by sudden water flow changes. Installing water hammer arrestors at key points in your plumbing system can significantly reduce noise and prevent damage.

Pressure Regulators: Installing a pressure regulator helps maintain a steady water pressure throughout your plumbing system, minimizing the impact of water hammer.

Securing Loose Pipes: Properly securing pipes with appropriate mountings and supports can dampen vibrations and reduce noise.

Slow Valve Closures: Encouraging slower valve closures through the use of pressure-balancing valves or adjusting water pressure gradually can mitigate the occurrence of water hammer.

Plumbing Maintenance: Regular inspections and maintenance by professionals can identify and address potential issues before they escalate, ensuring the longevity of your plumbing system.

DIY vs. Professional Assistance

While there are some DIY methods to address water hammer, such as installing water hammer arrestors or securing loose pipes, it’s essential to note that professional expertise ensures the most effective and long-lasting solutions. Skilled plumbers are well-equipped to diagnose the specific causes of water hammer in your home and implement tailored solutions that not only eliminate noise but also safeguard your plumbing system.


Water hammer might disrupt the tranquility of your home, but with the right solutions and expert guidance, you can bid farewell to the irritating banging sounds and potential plumbing catastrophes. At Advanced Plumbing Technology, we’re committed to providing you with the knowledge and solutions you need to maintain a smoothly functioning and quiet plumbing system. Don’t let water hammer take its toll – reach out to your local professional plumber to schedule a consultation and take the first step towards restoring peace to your pipes.