DIY Guide: Building Your Homemade Water Hammer Arrestor Effectively

Are you tired of the loud banging noises coming from your pipes every time you turn off a faucet or valve? If so, you may be in need of a homemade water hammer arrestor . In this article, we will explore what exactly a water hammer arrestor is and why it is important for your plumbing system.

Whether you are a DIY enthusiast or just looking for a cost-effective solution, building your own homemade water hammer arrestor can be a great option. We will provide you with a step-by-step guide on how to build one, along with a list of materials needed and common mistakes to avoid. Additionally, we will discuss alternative options and the maintenance required for a water hammer arrestor.

So, if you’re ready to say goodbye to those annoying banging noises and ensure the longevity of your plumbing system, keep reading!

Briefly explained: what you need to know about the subject

  • A water hammer arrestor is explained and its importance is highlighted.
  • The materials needed to build a water hammer arrestor are listed, along with where to source them.
  • A step-by-step guide is provided for building a water hammer arrestor, including common mistakes to avoid.

homemade water hammer arrestor

What is a Water Hammer Arrestor?

The presence of a water hammer arrestor is paramount in any plumbing system. Its purpose is to safeguard against the potentially damaging effects of sudden water pressure fluctuations, commonly known as the “water hammer” phenomenon. This ingenious device absorbs excessive pressure and gradually releases it, effectively minimizing noise and safeguarding the structural integrity of pipes and fixtures.

The installation of a water hammer arrestor is not only essential for preventing costly repairs, but also for ensuring the longevity of your entire plumbing system. By effectively absorbing excess pressure, it guarantees a consistent water flow and significantly reduces the risk of pipe bursts and leaks. To summarize, the significance of a water hammer arrestor cannot be overstated when it comes to the well-being of your plumbing system.

It plays a vital role in preventing pipe damage, minimizing noise disturbances, and preserving the overall integrity of your pipes and fixtures. Investing in this crucial component is a wise decision that will undoubtedly safeguard your plumbing in the long term.

Why Do You Need a Water Hammer Arrestor?

Neglect not the significance of a water hammer arrestor in your plumbing system. It safeguards your pipes and fixtures from harm, shielding them from the threat of cracks or bursts. Moreover, the disruptive clamor of water hammer can be silenced with its installation.

By incorporating a water hammer arrestor, you can silence the noise and avert the peril of pipe bursts and leaks. Like a cushion, it absorbs the jolts caused by abrupt water flow stoppage, ensuring the endurance of your pipes and fixtures while sidestepping costly repairs. In essence, do not underestimate the value of a water hammer arrestor for your plumbing system.

It upholds the integrity of your pipes and fixtures, silences deafening noises, and mitigates potential damages.

List of Essential Components and Tools

Ready to embark on the journey of creating your very own water hammer arrestor? Fear not, for with the right tools and components, success is within your grasp. Here is a list of what you’ll need: Tools: – A trusty pipe cutter, ensuring precise pipe lengths every time.

– The warm embrace of a propane torch, guaranteeing secure soldering. – Fine-grit sandpaper to caress and smooth those pipe ends. Components: – The noble copper tee, bridging the gaps between hot and cold water lines.

– Soldering flux, the secret ingredient for strong and unyielding pipe bonds. – Copper pipes, the lifeblood connecting the arrestor to your plumbing system. Recommended materials: – Copper pipes, sturdy defenders against the ravages of time and corrosion.

– Soldering wire and paste, the loyal companions for proper soldering. – Teflon tape, the silent hero that ensures no leaks on threaded connections. Armed with these essentials, you possess the power to conquer the task at hand, to build a water hammer arrestor that will keep your plumbing system flowing harmoniously.

Now, let the adventure begin! Happy building!

homemade water hammer arrestor

Where to Source These Materials

If you’re searching for materials to create your own water hammer arrestor, there are several avenues to explore. Online plumbing supply stores provide convenience, allowing you to peruse catalogs, compare prices, and have materials conveniently delivered. On the other hand, local hardware stores offer the opportunity to physically inspect materials, seek expert advice, and find the perfect components.

For a wide selection of top-notch materials and knowledgeable staff , plumbing specialty stores are worth checking out. Regardless of your choice, make sure to compare prices , read reviews, and select trustworthy suppliers for the highest quality components.

How to Build Your Own Homemade Water Hammer Arrestor and Say Goodbye to Plumbing Noise

  • Water hammer is the loud banging noise that occurs when water flow is suddenly stopped or redirected, causing a surge of pressure in the pipes.
  • A water hammer arrestor is a device that helps to prevent water hammer by absorbing the shockwaves and reducing the pressure buildup.
  • Building a homemade water hammer arrestor can be a cost-effective solution to address water hammer issues in your plumbing system.

Step 1: Identifying the Noisy Faucet

Unmasking the Mystery: Solving the Case of the Noisy Faucet Step into the role of a skilled investigator as you uncover the enigmatic source of the strange sounds emanating from your faucet. Begin your quest by listening intently as you turn on the tap. Is there a resounding bang or knock?

Beware, for this could be a telltale sign of water hammer, a disruptive shockwave caused by abrupt changes in water flow. Don’t overlook the subtle tremors and vibrations reverberating through your plumbing system when the faucet springs to life. These trembles could signify underlying issues with water pressure or the pipes themselves.

Keep a watchful eye for any fluctuations in water pressure, as they too could be indicators of the elusive water hammer. By astutely observing these clues, you can unearth the culprit responsible for the cacophony and take swift action to remedy the situation. Remember, time is of the essence when it comes to addressing water hammer, as it can wreak havoc on your pipes and fixtures.

So don your detective’s hat, lend an ear, and embark on a mission to unravel the mystery behind the noisy faucet.

Step 2: Turning Off the Water Supply

In order to embark on any plumbing work, it is imperative to prioritize safety and success by turning off the water supply. By taking necessary precautions, utilizing appropriate tools, and recognizing the significance of shutting off the water supply, you can ensure a smooth and accident-free process. To safely shut off the water supply, don protective gloves and goggles.

Additionally, ensure adequate ventilation in the area. Equipping yourself with a main water shut-off valve key or wrench is crucial, as well as having a bucket or towels at hand to catch any water that may escape. The act of shutting off the water supply serves as a vital preventive measure against mishaps such as spraying or flooding.

It grants you the freedom to work on the plumbing system without hindrance, thereby enhancing efficiency throughout the process. Always bear in mind that safety should be your utmost priority. Embrace necessary precautions, employ the proper tools, and comprehend the significance of shutting off the water supply to confidently proceed with your plumbing project.

homemade water hammer arrestor

Step 3: Locating the Hot Water Line

Before you embark on your DIY water hammer arrestor project, it is essential to accurately locate the hot water line in your plumbing system. By carefully observing the pipes and connections or using advanced tools like a pipe locator or thermal imaging device, you can mark the hot water line for easy identification during installation. This crucial step guarantees the effective functioning of the water hammer arrestor, minimizing pipe damage and those annoyingly loud noises.

By investing time in this preliminary task, you can ensure precise installation and reap the maximum benefits for your plumbing system. So, don’t overlook this vital step on your path to DIY success.

Comparative Analysis of Material Options for Water Hammer Reduction – Tabelle

Material Options Pros and Cons Effectiveness in Reducing Water Hammer Cost Difficulty of Installation Availability
Copper pipe Durable, excellent heat conductivity, but higher cost compared to other options Highly effective due to its rigidity and ability to absorb pressure fluctuations Higher cost due to the price of copper Moderate difficulty; requires soldering or compression fittings Widely available in plumbing supply stores
PVC pipe Affordable, lightweight, and easy to work with, but may not withstand high pressure Moderately effective; PVC’s flexibility helps absorb some water hammer, but not as effectively as rigid materials Low cost due to the affordability of PVC Easy installation with solvent welding or push-fit fittings Widely available in hardware stores
Galvanized steel pipe Strong, resistant to corrosion, and suitable for high-pressure applications, but may require more effort to install Highly effective due to its rigidity and ability to absorb pressure fluctuations Moderate cost; galvanized steel is more expensive than PVC but cheaper than copper Moderate difficulty; requires threading and sealing with pipe compound Widely available in plumbing supply stores
Rubber hose Flexible, easy to install, and absorbs vibrations, but may degrade over time and be prone to leaks Moderately effective; the flexibility helps absorb some water hammer, but not as effectively as rigid materials Low cost due to the affordability of rubber hoses Easy installation with hose clamps or push-fit connectors Widely available in hardware stores
PEX pipe Versatile, easy to install, and resistant to corrosion, but may not be suitable for high-temperature applications Moderately effective; PEX’s flexibility helps absorb some water hammer, but not as effectively as rigid materials Moderate cost; PEX is more expensive than PVC but cheaper than copper Easy installation with crimp or push-fit fittings Widely available in plumbing supply stores

Step 4: Draining Water and Drying the Area

In order to construct a water hammer arrestor that works effectively, it is vital to ensure the water is thoroughly drained and the area is dry. This is important to prevent any lingering water from interfering with the installation process. Carefully dry the area using towels or a mop to eliminate any moisture.

It is crucial to ensure that all water has been completely drained before moving on to the next steps. This will help avoid any complications or issues during the installation. Additionally, it is essential to allow ample time for the area to dry completely.

This will guarantee that no moisture remains, which could potentially hinder the effectiveness of the water hammer arrestor. By diligently following these steps, you can achieve a successful installation and optimal functionality of your homemade water hammer arrestor.

Step 5: Sanding Ends of Pipe

In the pursuit of constructing your very own water hammer arrestor, there lies a crucial task that demands your attention – the art of sanding the ends of the pipe. Within this seemingly mundane act lies the power to eradicate rough edges and burrs that possess the potential to disrupt the delicate balance of your plumbing system. With the aid of fine-grit sandpaper, you shall embark upon a journey towards unparalleled success.

Behold, for the act of sanding the ends of the pipe serves as the foundation for a connection that is both secure and steadfast. By removing the imperfections that lie dormant upon the surface, you shield your creation from the dire consequences of leaks and damage that may arise from the presence of rough and uneven pipe ends. Prepare yourself for this sacred undertaking, for it is not to be taken lightly.

Equip yourself with the armor of protective gloves and goggles, lest you become ensnared in the treacherous grasp of adversity. With a gentle touch, allow the fine-grit sandpaper to caress the ends of the pipe, applying a consistent pressure that befits the task at hand. Through this delicate dance, you shall reveal a newfound smoothness, a respite from imperfection, and a path towards a proper fit when connecting the pipes.

Do not underestimate the significance of this humble act, for it is but a small yet essential step in the grand tapestry of constructing a water hammer arrestor. In its wake, it bestows upon you the gift of a connection that is not only secure and free of leaks, but one that ultimately enhances the effectiveness and longevity of your DIY plumbing system. Embrace this knowledge, fellow adventurer, and let it guide you towards triumph and prosperity.

homemade water hammer arrestor

Step 6: Inserting the Copper Tee

Achieving a Solid Connection: The Art of Inserting the Copper Tee Crafting a secure connection is paramount when working with a copper tee. Let’s delve into the intricate process:

1. Begin by generously applying soldering flux to both the pipe ends and the interior of the copper tee. This simple act creates a formidable bond between the copper and solder, ensuring durability.

2. With utmost care, position the copper tee onto the hot water line. Take a moment to ensure a snug fit and perfect alignment with the existing pipe. Precision is key.

3. Equipped with a propane torch, gently heat the copper tee in a uniform manner. Allow the flame to dance around the tee, distributing heat evenly and preventing any unwelcome overheating. Safety should reign supreme throughout this endeavor.

Donning protective gear, ensuring proper ventilation, and having a fire extinguisher and water source nearby are essential. Embrace these steps, and be rewarded with a leak-free connection and a plumbing system fortified against water hammer.

Did you know that water hammer can be so powerful that it can cause pipes to burst and even create small earthquakes?


My name is Warren and I am a professional plumber licensed and insured in the State of California. I have been in the business for over 10 years and have undertaken small and large projects including bathroom renovation, toilets, garbage disposals, faucets, sinks and kitchen plumbing jobs. This site is based on my experience with toilets. I have installed the best brands and models in all sizes and shapes. I hope this helps you with the unbiased information that you need to make the right decision. …weiterlesen

Step 7: Safety Measures – Placing a Fire Extinguisher Nearby

When embarking on the construction of a homemade water hammer arrestor, prioritizing safety is of utmost importance. In the upcoming section, Step 7, we will delve into the key safety measures that must be observed. To begin, safeguard yourself by equipping gloves and goggles.

Since the copper tee demands the use of a propane torch, it becomes imperative to ensure adequate ventilation. This will effectively prevent the buildup of hazardous gases and fumes. Moreover, it is prudent to have a fire extinguisher in close proximity as a precautionary measure.

Although the likelihood of a fire is minimal, it is always advisable to be prepared. Additionally, it would be wise to keep a readily accessible water source nearby, such as a bucket of water, to promptly extinguish any unforeseen accidents or minor fires that may occur. By diligently adhering to these safety precautions, you can confidently proceed with the construction of your water hammer arrestor, secure in the knowledge that you have taken all necessary steps to safeguard yourself.

Always remember, even in the realm of DIY projects, safety remains an indispensable aspect.

If you’re unsure whether to use plumbers putty or silicone for your plumbing project, check out our article “Plumbers Putty or Silicone” to find the best solution for your needs.

homemade water hammer arrestor

Step 8: Heating the Fluxed Areas

Creating a steadfast connection for your homemade water hammer arrestor requires careful execution. Follow these steps for a reliable and secure bond:

1. Begin by applying soldering flux to the designated areas, ensuring a strong and durable connection.

2. Utilize a propane torch to evenly heat the fluxed regions. Be mindful of maintaining a consistent distance between the flame and the copper tee to prevent any potential overheating.

3. Monitor the temperature diligently, avoiding any risks of weakening or damaging the copper tee.

4. By meticulously heating the fluxed areas and regulating the temperature, you can achieve a secure connection for your water hammer arrestor.

5. This will effectively safeguard your plumbing system from pipe damage and minimize the disruptive clamor caused by water hammer. Remember, prioritizing safety measures is paramount when utilizing the propane torch. Don protective gloves and goggles, ensure proper ventilation, and have a fire extinguisher and water source readily accessible for any unforeseen emergencies.

Follow these steps meticulously to create a reliable and secure connection for your homemade water hammer arrestor.

Step 9: Repeating the Process on Cold Water Line

Now that the hot water line is complete, it’s time to embark on the next crucial phase: the cold water line. This step is absolutely essential in ensuring the flawless operation of your homemade water hammer arrestor. Begin by meticulously aligning and positioning the cold water line with utmost precision.

Take your time to connect the pipe with the copper tee securely, leaving no room for leaks or instability. Proceed by applying a thin and even layer of soldering flux to the cold water line. This will facilitate a robust and unbreakable bond between the pipe and the copper tee.

Pay attention to every detail, ensuring that the flux is spread evenly. With caution and adherence to safety measures, employ a propane torch to heat the cold water line. Don protective gloves and goggles, and ensure proper ventilation.

Maintain a distance of approximately 2 inches between the torch and the pipe, skillfully moving it back and forth to distribute the heat uniformly. Continue heating until the flux melts, creating a steadfast connection between the pipe and the copper tee. Once this step is completed, meticulously inspect the connection for any signs of leakage.

Thoroughly examine the joint between the cold water line and the copper tee, searching for any drips or moisture. If any leaks are detected, rectify them promptly before proceeding. By diligently following these steps, you are well on your way to achieving a flawless homemade water hammer arrestor.

Stay tuned for the final stages, when your plumbing system will be fully functional and exceptionally efficient.

If you’re wondering why the Air Scrubber Plus has been discontinued, check out this informative article on for all the details.

homemade water hammer arrestor

If you’re tired of the annoying hammering sound in your plumbing, we’ve got a solution for you – a homemade water hammer arrestor. Learn how to end the noise with this informative DIY plumbing video.

YouTube video

Step 10: Checking for Leaks

The Importance of Checking for Leaks When Installing Water Hammer Arrestors Before you can fully enjoy the benefits of your homemade water hammer arrestor, it is crucial to conduct a thorough inspection for any potential leaks. Neglecting this step can lead to compromised effectiveness and further damage to your plumbing system. To ensure a successful installation, here’s what you need to look out for during the inspection process.

Firstly, carefully examine the area surrounding the newly installed water hammer arrestor for any visible signs of water leakage. Even the tiniest leak should not be overlooked and must be addressed promptly. Additionally, pay close attention to any changes in water pressure or flow, as these may indicate a potential plumbing system leak.

Unusual sounds like hissing or gurgling can also be red flags. Take the time to thoroughly inspect soldered joints and connections for any signs of moisture or discoloration, as these could be indications of leaks or improper soldering. In the event that you do come across any leaks, it is crucial to act swiftly by shutting off the water supply.

Depending on the severity, you may need to re-solder joints or replace faulty components. Remember, a meticulous inspection and immediate leak detection play a vital role in preserving the functionality and longevity of your homemade water hammer arrestor. By promptly addressing any leaks, you can ensure proper operation and prevent further damage to your plumbing system.

1/3 Common Mistakes to Avoid While Building a Water Hammer Arrestor

To achieve optimal effectiveness when building a water hammer arrestor, it is imperative to steer clear of common errors. One such mistake to avoid is the improper alignment of pipes, as this can greatly hinder its functionality. Be sure to align and connect the pipes correctly for optimal performance.

Insufficient soldering is another pitfall to be mindful of. Employing proper techniques and ensuring a secure connection is vital to prevent potential leaks that can wreak havoc on your plumbing system. Dedicate the necessary time to solder the pipes correctly.

Lastly, it is crucial to securely attach the water hammer arrestor to your plumbing system. Utilize the appropriate mounting brackets or straps to accomplish this. Proper installation is the key to its functionality and longevity.

By evading these common mistakes, your homemade water hammer arrestor will operate effectively, safeguarding your pipes and plumbing fixtures. Emphasize proper alignment, secure soldering, and correct installation for the most favorable outcomes.

homemade water hammer arrestor

2/3 Alternative Options: Water Hammer Arrestor Substitutes

When it comes to dealing with water hammer in your plumbing system , you have a range of options at your disposal. Firstly, you can opt for water pressure regulators . These handy devices effectively regulate the water pressure, preventing water hammer by adjusting the pressure of the water entering your plumbing system.

This ensures a steady flow and significantly reduces the likelihood of any pipe damage. Alternatively, you may choose to install expansion tanks. These tanks serve the purpose of absorbing any excess pressure that can build up in your plumbing system during periods of high water demand or when valves are abruptly closed.

By effectively absorbing this pressure, expansion tanks prevent water hammer and alleviate any strain on your pipes. Another option worth considering is the incorporation of air chambers into your plumbing system. Essentially, these chambers are vertical pipes that are filled with air and strategically installed near fixtures or appliances that are particularly prone to water hammer.

When water flow suddenly stops, the air in these chambers acts as a cushion, absorbing the shock and effectively preventing those unpleasant and noisy banging sounds commonly associated with water hammer. In conclusion, if you’re looking to tackle the problem of water hammer in your plumbing system, it is highly recommended to consider the use of water pressure regulators, the installation of expansion tanks, or the incorporation of air chambers. These alternatives not only minimize the risks associated with water hammer but also ensure the seamless and efficient operation of your plumbing system.

How to Fix a Noisy Faucet and Prevent Water Hammer with a Homemade Water Hammer Arrestor

  1. Identify the noisy faucet
  2. Turn off the water supply
  3. Locate the hot water line
  4. Drain water and dry the area
  5. Sand the ends of the pipe

Benefits of Building Your Own Water Hammer Arrestor

Crafting your own water hammer arrestor offers a myriad of advantages. By bypassing the purchase of a pre-assembled one, you can sidestep the additional expenses associated with ready-made products. Additionally, tailoring the design and dimensions to align seamlessly with your plumbing system guarantees optimal performance and efficiency.

Yet, there is an intangible reward in fashioning something practical for your abode. Successfully creating a water hammer arrestor becomes a gratifying DIY endeavor . Not only will it safeguard your pipes from damage and mitigate raucous noises in your plumbing, but you will also revel in the knowledge that you constructed it with your own hands.

Therefore, why not economize, personalize your solution, and relish the contentment that accompanies fashioning your very own water hammer arrestor?

homemade water hammer arrestor

Final Thoughts and Tips

Key Tips for Effective Homemade Water Hammer Arrestors In the quest to troubleshoot issues with homemade water hammer arrestors, there are a few essential tips to bear in mind. Should you find yourself still plagued by banging noises in your plumbing system, even after installing the arrestor, there may be several reasons for this. Firstly, ensure that the arrestor is securely in place, as loose connections can impact its functionality.

It is also important to check that the pipes are correctly aligned and soldered for a secure connection. Inadequate soldering can result in leaks, so it is imperative to double-check your work. To prolong the lifespan of your homemade water hammer arrestor, regular maintenance and cleaning are vital.

Conduct regular inspections for any signs of damage or wear. If you notice leaks or corrosion, it may be necessary to replace or repair certain components. Cleaning the arrestor is a straightforward process – simply use a soft cloth or brush to remove any accumulated dirt or debris.

However, it is best to avoid harsh chemicals or abrasive cleaners as they can harm the arrestor. When working with soldering tools for DIY water hammer arrestors, it is always important to prioritize safety. Protect yourself by wearing gloves and goggles to avoid accidents.

Adequate ventilation is also crucial to prevent the buildup of harmful fumes. It is advisable to keep a fire extinguisher and a water source nearby in case of emergencies. By adhering to these troubleshooting tips , maintaining and cleaning your homemade water hammer arrestor, and taking the necessary safety precautions, you can ensure the effectiveness and longevity of your plumbing system.

If you’re wondering where to install a water hammer arrestor, check out our article “Where to Install Water Hammer Arrestor” for all the information you need to eliminate those annoying banging noises in your plumbing system.


In conclusion, building your own water hammer arrestor can be a practical solution for reducing noise and preventing damage caused by water hammer. This article has provided a step-by-step guide and highlighted common mistakes to avoid, ensuring that readers can successfully construct their own homemade water hammer arrestor. By following these instructions and using the recommended materials, users can effectively address water hammer issues in their plumbing system.

Additionally, the article mentions alternative options and emphasizes the importance of maintenance for the longevity of the water hammer arrestor. We hope this article has been helpful in addressing the search intent of readers looking for information on homemade water hammer arrestors. For more plumbing-related topics and DIY solutions, we recommend exploring our other articles on our website.


Does a water hammer arrestor need to be vertical?

To connect the water arrestor to the water stop valve, you can hand screw it in place. If needed, you can use a tee fitting to assist with the connection. The great thing about the Hammer Arrestor is that it can be installed in any direction you need, whether it’s horizontal, vertical, or any other position.

Should a water hammer arrestor be hot or cold?

To safeguard your residential piping system from potential shock-induced damage, it is important to install appropriately sized water hammer arresters on both the hot and cold water supply piping. These arresters will effectively absorb and minimize the impact of water hammer. Additionally, for enhanced protection, consider installing a pressure reducing valve on the discharge side of the water meter. This valve will help regulate and reduce the pressure in the system, further safeguarding your pipes and fixtures.

What material are water hammer arrestors?

The casing and bellows used in this product are made of high-quality 18-8 stainless steel, ensuring durability and resistance to corrosion. Additionally, the design of the nesting bellows allows water to enter the interior seamlessly.

What is the best way to prevent water hammer?

To prevent or minimize water hammer, you can take the following steps: 1. Install a pressure regulator to lower the water supply pressure. 2. Reduce the fluid velocity within the pipes. 3. Opt for slow-closure faucets during installation. 4. Implement start-up and shut-down procedures for existing systems. By implementing these measures, you can effectively reduce or eliminate the occurrence of water hammer, which can cause damage to your plumbing system.

Leave a Reply