Ways To Stop Water Hammer In Pipes A Plumbers Guide

Ways To Stop Water Hammer In Pipes A Plumbers Guide

Stop Water Hammer In Pipes: A Plumbers Guide To Fix Noisy Pipes

Do you hear odd noises from your pipes, day or night? This could be water hammer. It’s not just annoying; it can cause low water pressure, leaks, and your tap’s temperature to change. In this article, our seasoned tradesmen at In this article, our seasoned tradesmen at Plumber To The Rescue – plumber Inner West, we explain what causes this terrible noise and the most successful ways to stop these clattering pipes!

Water hammer happens with a sudden change in water flow. This creates a shockwave in the pipes. It can damage your plumbing, even leading to burst pipes. High water pressure, usually over 80 psi, is a big cause.

To stop water clanging around and protect your pipes, install water hammer arrestors. These devices absorb the shockwaves. They keep the damage from spreading through your plumbing.

Adjusting water pressure can also help fight water clatter. If the pressure is too high, use a pressure-reducing valve to make it safer.

It’s also crucial to secure any loose pipes with clamps. Loose pipes can move and shake, making water clatter more likely. Securing them will lower this risk.

Before you do anything, always turn off your main water supply. This is for the safety of your work and home.

If you’re noticing odd sounds from your pipes, it’s probably a water hammer. Use water hammer arrestors, adjust the pressure, and secure loose pipes. This will keep your plumbing in good shape.

Key Takeaways:

  • Water hammers can cause loud banging sounds, low water pressure, leaks, and temperature fluctuations in your taps.
  • High water pressure above 80 psi is a common cause of water hammer.
  • Install water hammer arrestors to absorb shock waves and prevent water hammer incidents.
  • Adjust water pressure using pressure-reducing valves to reduce the risk.
  • Secure loose pipes with pipe clamps to stop water hammer and potential pipe damage.

Causes of Water Pipe Hammer: Fast-Acting Valves and High Water Pressure

To experience water hammer or hydraulic shock is a serious plumbing issue. Water is suddenly clanging noisily around inside the pipes, which can happen when pressure changes in pipes quickly, causing a build up of pressure and air. This creates loud noises like banging. Knowing the causes can help prevent and fix this problem.

Fast-Acting Valves

Washing machines and dishwashers use quick valves to control water. When these valves shut quickly, they can cause a pressure surge. This surge leads to water hammer.

High Water Pressure

High water pressure is another cause of water hammer. If the pressure goes above 80 psi, it’s more likely to happen. This high pressure can harm pipes and appliances over time.

Installing a pressure regulator helps keep water pressure safe and steady, stopping the water hammer. It’s also wise to check the pressure often and adjust it as needed, which can prevent many problems related to high water pressure.

Rapid Changes in Water Flow

Water hammer can also happen when water flow changes fast. For instance, turning a tap on or off can cause shock waves in the pipes. This problem often shows up in homes without flow control devices.

Waterlogged Air Chambers and Loose Pipe Straps

Dodgy plumbing design or maintenance can also lead to water clanging. Air chambers meant to lessen pressure effects can fill with water. And, pipes moving because of loose straps can cause the problem too.

Making sure plumbing is properly installed and maintained is the key to reducing water banging risks.

Causes of Water HammerDescription
Fast-Acting ValvesHigh Water Pressure Water pressure above 80 psi can increase the likelihood of water clatter and cause damage to pipes, fixtures, and appliances.       
High Water PressureWater pressure above 80 psi can increase the likelihood of water clatter and cause damage to pipes, fixtures, and appliances.
Rapid Changes in Water FlowWhen valves are abruptly closed or opened, the sudden changes in water flow can generate hydraulic shock waves, resulting in water noisily battering around.    
Waterlogged Air Chambers and Loose Pipe StrapsInadequate plumbing system design or maintenance, such as waterlogged air chambers or loose pipe straps, can contribute to the occurrence of noisy water pipes.    

How to Stop Water Hammer: Air Pockets in Pipes and Partially Opening Valves

Air pockets in pipes are a common cause of water hammer. They can make scary banging sounds. These sounds signal stress on your pipes, which might lead to damage.

But you can fix this issue. Just release the air chamber. Open and close all taps in a certain order to solve the problem.

Start by fully opening the nearest tap to the main water supply. Let the water run for a few seconds. Then, start to close this tap while opening taps in other areas of your house. Keep moving this way through your home. Do this with each tap to let out any trapped air. Which should help stop the waters’ banging effect.

Another good fix is to partly open appliance inlet valves. For instance, on washing machines or dishwashers, don’t fully turn the valves. Try placing them halfway open. Limiting the degree to which the valve opens and controls the water flow, reducing the sudden pressure spikes that cause water clattering.

To prevent pipe damage, always deal with water banging quickly. If you’re not sure what to do, get a professional plumber. They can resolve the issue and put your mind at ease.

Preventing Water Hammer: Securing Pipes and Installing Pressure-Limiting Valves

Water clanging around in pipes can be a big problem for your plumbing and the peace in your home. It causes loud noises and pipe damage. But you can avoid this. Securing your pipes and adding pressure-limiting valves really helps.

Securing Pipes

Loose pipes let water clanging happen more easily. When you secure your pipes, they vibrate less. You can use pipe clamps to hold them in place. Reducing the chances of water banging sounds from happening in the first pipes, as the pipes are now firmly secured.

Installing Pressure-Limiting Valves

Too much water pressure often causes water to clang. Pressure-limiting valves fix this by controlling the pressure. They get installed at your water meter. These valves keep water pressure safe, stopping water from hammering and protecting your pipes.

It’s wise to talk to a plumber when installing pressure-limiting valves. They make sure it’s done correctly. A plumber checks your water pressure and picks the best valve for you.

By securing your pipes and adding pressure-limiting valves, you cut down on water-banging risks. These steps protect your pipes and give you peace of mind.

Benefits of Securing Pipes and Installing Pressure-Limiting Valves
Prevents water hammer incidentsProtects your plumbing system
Reduces vibrations and pipe movementControls and regulates water pressure
Preserves pipe integrityOffers long-term benefits

Installing Water Hammer Arrestors: Cold and Hot Water Outlets

Water hammer arrestors are key to stopping this kind of damage that can be done to your plumbing. They absorb shock waves, keeping your pipes and fixtures safe from noise and sudden water flow.

It’s best to put water clang arrestors on both cold and hot water lines. This helps make sure they work well.

Put arrestors at the cold water outlets to stop damage right at the beginning. They work like a cushion, stopping extra pressure triggers from causing water clatter.

Doing the same at hot water outlets is crucial, too. Sudden pressure changes from hot water demands can cause water hammering. Arrestors here help prevent it, keeping the water in your plumbing flowing smoothly, as it should.

Setting up these arrestors the right way is very important. Talk to a professional plumber for advice. They can help pick the right size and place for the best job done.

Cold Water OutletsHot Water Outlets
Prevents pressure spikes and stop water hammerMitigates sudden pressure changes in the pipes
Absorbs shock waves and reduces noisePromotes smooth operation of plumbing system
Protects pipes and appliancesMaintains the integrity of plumbing connections

Getting water hammer arrestors for both cold and hot water lines is always a good idea. It guards your plumbing, and stops the tremendous noise and expense associated with water system clattering.

They work by lessening pressure and flow of water, in the water supply line. Giving you lasting peace of mind.

Fixing Water Hammer in Appliances: Intake Connections and Soft-Close Taps and Water Leaks

Water clatter makes loud banging sounds in your pipes. It’s not just annoying – it can cause damage and costly repairs if ignored. Now, let’s look at how to fix water noises in appliances, including washing machines and dishwashers, focusing on intake connections and soft-close taps.

Replacing and Upgrading Intake Connections

One way to deal with water battering around in the pipes of appliances is to change the intake connections. Doing this tackles any worn-out or faulty parts contributing to the issue. Upgrading to wider hoses means water flows more smoothly, helping to avoid sudden pressure changes.

Remember, it’s not only washing machines and dishwashers that have intake connections. Appliances like water heaters and fridges with ice makers and filtered water dispensers also use them. Replacing and upgrading these parts cuts the risk of water clanging in your home.

The Benefits of Soft-Close Taps

Aside from intake connections, the taps you have installed and use matter, too. While a lot of people like modern mixer taps for their ease, they can cause water to clatter by allowing water to flow too fast. Soft-close taps are a good alternative.

Soft-close taps control water flow better, preventing sudden surges. They close more gently, reducing the effect on your pipes and lowering the chance of water clanging. They make modern taps safer for your plumbing.

Benefits of Replacing Intake Connections and Installing Soft-Close Taps
Reduces the risk of water clang incidents in appliances
Ensures smoother water flow and minimizes sudden pressure changes
Prevents damage to pipes and appliances
Enhances the longevity and performance of appliances
Promotes a quieter and more peaceful water flow

Changing intake connections and using soft-close taps helps to avoid water clanging. These simple steps can make your home quieter and protect your plumbing. Start fixing water banging around in your appliances today by taking action.

Calling a Professional Plumber: Complex Water Hammer Solutions

If you can’t fix the water banging, get a professional plumber involved. This issue might need their special skills. They are the experts and proficient at dealing with this kind of plumbing problem. 

A reputable plumber will check the complete plumbing to find out why water noise is taking place. They look for things like broken valves, wrong pipe sizes, or bad setups. In this way, they pinpoint the specific cause of the problem.

Once they find out what’s wrong, they can fix it for the long term. They might suggest adding special parts to the system. These can control the water and stop the banging effect.

Hiring a skilled plumber is a smart move. They save you from a lot of stress and make sure the problem is gone. You can relax, knowing your home’s plumbing is well taken care of.

Benefits of Calling a Professional Plumber
1. Expertise in identifying complex water noise issues
2. Thorough inspection of the plumbing system
3. Long-term solutions to prevent water clang
4. Installing a water hammer arresters or pressure-limiting valves
5. Peace of mind knowing the problem is resolved

Preventing Water Damage And Noisy Pipes: Fixing Leaks and Low Water Pressure

Water damage is a big problem in homes if not fixed quickly. A main way to prevent this is to repair leaks as soon as you spot them. Leaks cause water to collect in certain places. These moist areas can cause damage to walls, floors, and furniture, which in turn allows mould to take hold and grow.

To identify these water-gathering areas, look for wet spots, listen out for dripping sounds, and if you notice higher than usual water bills, this can often indicate a leak. Fix these leaks fast to avoid big repair costs and further damage. You can use patches or pipe relining for small leaks. But, bigger leaks need a professional plumber for lasting fixes.

“The key to avoiding water damage is vigilance. Regularly inspect your home for signs of leaks then address them promptly to prevent further damage.” Plumber, Rohan Carson – Plumber To The Rescue

Low water pressure is another issue that can lead to water damage. It might mean there are clogs in your pipes, broken valves, or problems with the water supply. Finding and fixing the root cause is key to getting strong water flow back.

Start by looking for obstructions in the pipes and checking valves. Clean or replace them to see if that helps. If not, get a professional plumber to figure out and fix the problem.


Water hammer is a common problem in plumbing that makes loud banging noises in your pipes. There are ways to fix this issue and prevent harm to your plumbing.

To stop water banging around, you can use arrestors to fix your water hammer problem. These devices absorb the shock and noise from water speed. You can also lower the water pressure in your pipes to prevent water noises from the pipes.

Another way is to make sure your pipes aren’t loose and to insulate them well. Speed is key to resolving the problem with clanging pipes and stops damage to your plumbing. Keeping your water flow steady.

If the problem persists after trying these fixes, it’s best to call a professional plumber. They can find and fix more complicated water-associated noise problems.

Dealing with water clanging early, before the problem worsens, can make your home’s water supply quieter and more reliable. Preventing water hammer is the best approach. So, use these tips to avoid future issues with your plumbing.


What causes water hammer sounds in pipes?

Fast valves and high water pressure often cause water banging in the pipes. When valves close suddenly, they create a pressure spike. The sound you hear is produced by the pressure and spike of water being stopped suddenly, as well as temperature changes. Water pressure over 80 psi is a key factor.

How can I stop water hammer in pipes?

There are a few ways to stop water hammering. Start by opening and closing all taps in order to release trapped air. This simple remedy should be done regularly. Partially open appliance valves to decrease the water pressure change. Also, make sure your pipes are tightly secured. Using pressure-limiting valves is another good step.

How do I prevent water hammering in my plumbing system?

To avoid water this noisy pipe problem, secure your pipes properly. Add water hammer arrestors and pressure valves. These help reduce pressure and absorb shock waves. Make sure to maintain appliances and use soft-close taps.

Should I call a professional plumber to fix water hammer issues?

If you feel confident, then try these simple DIY suggestions to remedy noisy pipes. If fixes don’t work, call a plumber. They’ll give your plumbing system a full check. They can offer lasting solutions and ensure everything works well.

How do I prevent water damage from occurring due to water hammer?

Prevent water damage by fixing leaks right away. Watch for wet spots, high water bills, and unexpected water sounds. You can patch small leaks, but big ones might need a professional plumbing service like Plumber To The Rescue. We have been established for more than 35 years and can rid you of your noisy pipes once and for all. We give free quotes and guarantees on work, and we won’t let you down. Don’t forget to check and fix clogs and faulty valves to prevent low water pressure.

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David at Plumber To The Rescue