I Tested And Reviewed 10 Best Water Hammer Arrestor For Washing Machine (2023)

I recently installed the Sicoince water hammer arrestor in my home and I am extremely satisfied with the results. Prior to installing this device, I experienced significant water hammer issues with my LG WM3570 washer. However, after installing the Sicoince arrestor directly on the washer, the house-shaking water hammer was completely eliminated.

I decided to keep the Oatey Quadtro washing machine outlet box with hammer arrestors in place, even though it was ineffective. The Sicoince arrestor proved to be much more efficient in solving the water hammer problem. While some reviewers mentioned sharp edges on the device, I did not find this to be an issue. However, I did notice some brass shavings inside, which I easily cleaned out.

One thing to note is that the Sicoince arrestor has knife-like edges, including the thread on the garden-hose fitting. This requires extra care to avoid cross-threading the plastic water inlet on the washer. Overall, the installation process was easy and the device worked immediately.

I am particularly impressed with the cost-saving aspect of this product. By installing the Sicoince arrestor myself, I was able to save a significant amount of money compared to hiring a plumber for the same job. Initially, I was pleased with the results and thought the water hammer problem was resolved. However, after some time, the water hammer returned. It seems that the issue may be with my pipes rather than the arrestor itself, and I will need to call a plumber to address this.

On another note, I have an LG washer with very crisp water valves that shut off quickly, causing the water flow to hit the PEX pipes in my walls with force, resulting in water hammer. I initially suspected that my large system accumulator had failed, but even after replacing it and adjusting the pressure, the pipes continued to hammer. After reading positive reviews, I decided to give the Sicoince arrestor a try.

I must admit that I was skeptical due to the small size of the device and how it could possibly provide enough air cushioning to solve the problem. However, I was pleasantly surprised. The Sicoince arrestor completely eliminated the water hammer on the hot line and significantly reduced it on the cold line, which I suspect is due to a loose fastening in the wall. To ensure maximum effectiveness, I purchased an additional pair of arrestors and installed them on the taps and the washing machine.

Thanks to the Sicoince water hammer arrestor, my home is now quiet and I no longer worry about the hammer causing damage to the PEX rings and connections. This product has been a great purchase for me and I highly recommend it to anyone experiencing water hammer issues.

I recently purchased and installed these water hammer arresters, and I must say, the installation process was a breeze. It took me less than 20 minutes to clean up, remove the hoses, clean all fittings, change the valve angle for a better compact fit, lube the washers with silicone grease, and tighten everything up. The best part was that I was able to do all of this while my washing machine was already in the middle of a wash cycle!

The immediate noticeable results were impressive. These water hammer arresters effectively alleviated the light pipe banging issues that I had been experiencing since getting a new washer a few months ago. The fast actuating water valves on newer washers can be quite noticeable, and these arresters really did the trick in getting rid of the unsettling sounds. I also appreciated the shorter overall length of these arresters compared to the super long 90° ones that are usually available. They fit perfectly for my specific use case.

I have now realized how hard my washer was slamming my water pipes, and I'm glad I decided to try these water hammer arresters. From now on, I will always use them. The quality of the product is very good, and it is definitely a worthwhile purchase.

One thing to note is that we have high water pressure in our neighborhood. The new LG washer we have has really fast actuators that close off the water inlets when the tub is filling, which was causing our pipes to "bang". These water hammer arresters have worked perfectly in arresting the water hammer effect caused by the actuators closing on the new washer machine.

The only downside is that I wish these arresters were made in the USA, but unfortunately, it seems that nobody makes brass US plumbing supplies anymore. However, considering the price we paid and the quality of the construction, I am still satisfied with the product.

I recently purchased and installed these hammer arresters for my high efficiency washer and dryer, and I must say, I am highly impressed with their performance.

Firstly, the installation process was a breeze. The product was sturdy and easy to install, requiring only basic tools such as pliers and teflon tape. I appreciated the clear instructions provided, which made it easy for me to understand and follow the installation steps. Within no time, I had the hammer arresters in place and ready to go.

The impact of these hammer arresters on my plumbing system has been remarkable. Prior to using them, I experienced loud thumps and shudders throughout my pipes whenever the washer would start and turn the water off and on repeatedly. This not only caused annoyance but also put a significant amount of stress and strain on the plumbing. However, since installing these hammer arresters, I have noticed a significant reduction in noise and vibrations. The water pulses that used to reverberate throughout my house have completely disappeared.

Beyond the immediate benefits of noise reduction, I am hopeful that these hammer arresters will also save me from costly repairs in the future. The constant hammering effect on the plumbing system, tankless water heater, and washing machine valves can lead to premature wear and tear, requiring expensive repairs or replacements. With these hammer arresters in place, I feel more confident that my plumbing system is protected and will last longer.

While I am thoroughly satisfied with the performance of these hammer arresters, I understand that their longevity may vary depending on factors such as water pressure. I have come across reports of some users experiencing failure after a few months. In such cases, it may be worth considering installing a pressure reducing valve at the meter to regulate the water pressure and prevent excessive strain on the hammer arresters.

I recently purchased these hammer arrestors for my washing machine's cold water supply line, and I must say, they have exceeded my expectations. The installation process was quick and hassle-free, and they have been operating flawlessly in absorbing abrupt pressure changes in my water pipes.

Previously, I had been experiencing annoying hammer banging noises whenever the water shut off from my washer. Even after trying different solutions, the problem persisted. However, after doing some research online, I decided to give these hammer arrestors a try, and I'm glad I did.

Not only did they significantly reduce the noise from the water shutting off, but they also provided protection for all the cold water pressure pipes throughout my house. This is particularly important for PVC pressure pipes in my sprinkler system, as it helps prevent leaks.

I was initially skeptical about the effectiveness of these hammer arrestors, but I can confidently say that they do work. I recently switched washers, and the banging noises on the water pipes started again. However, after installing these arrestors, the banging completely stopped, and I have had no issues for the past six months.

I also appreciate how easy they were to install. I attached them to both water inputs of my LG HE washing machine, and the difference was remarkable. The loud banging sound that made me fear for my pipes' integrity transformed into a quiet water flow. I tightened them with a pliers just a little more than finger tight, and they have been working perfectly ever since.

In fact, I believe washer manufacturers should consider incorporating these devices internally in HE machines. They provide much-needed protection against water hammers and greatly enhance the overall washing experience.

The installation of this product was quick and hassle-free, taking less than 15 minutes to complete for both washing machine lines. It effectively eliminated the loud water hammer issue that was specific to my washing machine. The rubber seals provided at the washer connection points and hose connection points ensured a secure fit, eliminating the need for plumber's tape. Prior to installation, it was necessary to drain each hose into a small container, but this was a minor inconvenience.

I did encounter a minor leakage issue due to my hose bib having limited threads, which prevented the washer from being tightly secured. However, this was easily resolved by using additional rubber washers that I already had at home. In case you encounter a similar problem, rubber hose washers can be purchased inexpensively online.

As a first-class mechanic with the Boiler Union, I can confidently say that this product is well-built and easy to install. In fact, it is so effective that I can hardly tell if the washer is running or not.

I recently purchased this solid brass water hammer arrestor for my washing machine to address the annoying hammer sound it was producing. I had previously tried other brands, but this one proved to be the most effective. The build quality is excellent, with a larger tube inside diameter that provides better performance.

Installation was a breeze, and I had the option to install it on the machine itself or on the wall. I found that installing it directly on the machine yielded the best results. Unlike many other brands, this high-quality arrestor is capable of working on both sides of the machine.

On the first day of use, I noticed a significant reduction in the hammer sound. It completely eliminated the loud knocks and bangs that occurred when the water was turned off by the timer. I am hopeful that this arrestor will continue to function effectively for a long time.

I also had a similar issue with my front-loading washer causing water hammers. I decided to install one of these arrestors on each of the hot and cold water input lines, right at the washer itself. As advertised, it successfully eliminated the hammering noise and prevented any potential damage to my pipes in the future.

I had previously purchased a flex hose, which unfortunately resulted in a new hammering problem. However, this water hammer arrestor quickly resolved the issue.

In August 2022, I installed these arrestors on the hot and cold lines of my washing machine. They greatly reduced the hammer sound, almost eliminating it entirely. However, I did experience a minor setback when one of the arrestors stopped working after almost a year.

I was initially unsure if these products needed to be kept in a vertical position to function properly. However, based on my personal experience, I can confidently say that they work just as effectively when installed horizontally.

I purchased these products to address the knocking sound coming from my outdoor hose bib attached to a timer. I am pleased to report that they have successfully eliminated the knocking noise, providing a much quieter and smoother water flow.

In addition to solving the issue with the outdoor hose bib, I also decided to add these products to both the hot and cold water lines connected to our washing machine. Since doing so, we have noticed a significant reduction in pipe vibrations and banging noises. Our washing machine now operates much more quietly and smoothly, enhancing our overall laundry experience.

Installing these water hammer arrestors was a breeze, and the results have been well worth the price. We have specifically noticed a noticeable difference in water hammer when the washing machine is running, indicating that these products are effectively absorbing the pressure spikes and preventing damage to our pipes.

I recently installed these mechanical timers on my outdoor water hose-bibs, and I have been extremely pleased with the results. Previously, I had experienced water hammer issues with instant-off valve closures, which not only caused a loud noise but also raised concerns about potential damage to my copper pipes. However, after installing these timers, the valve shut off smoothly and quietly, eliminating the loud "bang" and providing me with peace of mind regarding my plumbing system. The installation process was simple, using a 90-degree elbow, the arrestor, and the timer, resulting in a clean and aesthetically pleasing look.

Another area where these timers proved to be beneficial was in my Whirlpool washing machine. Prior to using them, I would hear loud noises resembling bombs going off whenever I washed laundry. However, after installing the timers on both the hot and cold lines, the machine became blissfully quiet. Initially, I was worried that something might be wrong due to the silence, but it turned out that the timers were doing their job effectively. It is worth noting that these timers may wear out over time. In my case, the first pair lasted over two years, enduring around 300 wash loads, as I do laundry 2-3 times per week. Although they did not last as long as I had hoped, I will be purchasing another set to replace them.

Even though I did not have a water hammer problem, I did experience some minor bump sounds and movement of washing machine hoses whenever the machine cut the water on and off. This was due to the constant addition of hot water to the cold water in order to reach the programmed "warm" water temperature. To address this issue, I decided to install these timers on the valves themselves, although they can also be installed directly on the back of the washing machine. By doing so, the water lines became smoother, reducing the bumpiness and ensuring a more efficient water flow. Additionally, I believe that installing the timers closer to the middle of the lines provides added protection to my overall plumbing system and water heater. This is also the default installation location in my parents' brand new home, as recommended by the builder. Furthermore, these timers come with a preinstalled rubber gasket, eliminating the need for Teflon tape during installation. While I cannot determine their longevity at this point, I believe that by not subjecting them to high water pressure and keeping the supply valves slightly closed, they have the potential to last for decades.

I was pleasantly surprised at how quickly and effortlessly I was able to install this product in my laundry room. It was a perfect fit and there were no leaks, which is especially great for me since I live near a high-pressure city water pump house. The trim piece has the logo embossed, but it's not very noticeable.

One of the standout features of this product is the built-in arrestors, which sets it apart from other options for PEX. I would highly recommend it to anyone in need of a reliable solution. However, I did encounter a slight design flaw when using it for an existing wall with new drywall during a bathroom renovation. I was able to improvise and make it work, but this could potentially cause issues for other buyers.

In terms of functionality, this product made it incredibly easy for me to re-route my laundry lines. The installation was seamless, and I experienced no leaks. It truly simplified the process and exceeded my expectations.

While I initially purchased these fittings for my home brewing operation, I can see myself using them for a washer in the future. The installation was a breeze, and I particularly appreciate how smooth the valves are compared to traditional knob cranks. The Sharkbite push-to-connect feature ensures a leak-free connection, giving me peace of mind.

I recently purchased this valve and had to make some adjustments in order to fit it into the wall housing. I ended up having to cut off half of the threaded portion with a hacksaw. However, this modification allowed me to avoid cutting and repairing the wall in the future if I ever need to replace the valve again.