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water hammer

Water Hammer Problems?

Water Hammer Problems?

Water hammer in your home occurs when a sudden change in water flow or pressure causes the pipes to vibrate and create a loud banging or hammering noise. This phenomenon is not only annoying but can also damage your plumbing system over time.

Understanding what causes water hammer and implementing preventive measures can help you avoid this issue and ensure the longevity of your home’s plumbing infrastructure.


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To comprehend how to prevent water hammer, it is crucial to grasp the root causes behind this occurrence. How this can happen…Well, this is commonly triggered by the sudden closure of a valve or tap. When flows through the pipes, it carries kinetic energy. What if the flow is abruptly halted?  The kinetic energy can turn into pressure, leading to the creation of water hammer.


Can you handle the pressure?

Moreover, the presence of high mains pressure is another leading cause of water hammer. Excessive pressure puts additional stress on the pipes.  Making them more prone to vibrations and the resulting banging noises. If left, these vibrations may weaken the plumbing system and cause leaks or ruptures.


Preventing water hammer in your home, several effective methods can be employed. One of the most important preventive measures is to install a shock arrestor. Shock arrestor is a specialised device that absorbs the kinetic energy.  Generated during flow changes, thus preventing water hammer. These devices are typically installed near the valves or taps that are frequently used and prone to sudden closures.


Pressure Reducing Valves

Another useful technique to prevent water hammer is to maintain a steady pressure within your home. Plumbing systems are designed to operate under specific pressure ranges.  Usually between 40 and 80 pounds per square inch (psi). To ensure this pressure remains within the recommended range, a pressure regulating valve should be installed at the water entry point of your home. This valve works by reducing the incoming water pressure to a safe and steady level.   Minimising the risks.


Stop the leaks

In addition to the preventive measures we’ve highlghted, regular inspection and maintenance of your plumbing system are essential. Leaky taps or valves should be promptly repaired.  They can contribute to water hammer. Additionally, worn out or damaged pipes should be replaced.  As weakened pipes are more susceptible to the effects and can eventually lead to more severe issues.


Shock Arrestor

Furthermore, if you are in the process of constructing a new home or renovating an existing one.  It is advisable to consider the installation of air chambers. Air chambers are vertical pipes or sections of pipe that are.  You guessed it, filled with air.  And installed at certain points within the plumbing system. These air filled chambers act as shock absorbers, effectively absorbing the energy generated by flow changes and preventing water hammer.


Close things slowly

Educating yourself on your home’s plumbing system is another fundamental step in preventing issues. Understand the location of shut off valves and the water entry points in your home. By being aware of these key areas, you can take appropriate actions during plumbing emergencies.  Such as closing valves gradually to prevent sudden flow changes that may lead to water hammer.


Stop Hammer Time!

In conclusion, water hammer in your home can be a bothersome issue that can potentially damage your plumbing system. However, through the adding of various preventive measures.  You can effectively combat this problem and ensure the longevity of your home’s plumbing infrastructure. Installing shock arrestors, regulating pressure, and conducting regular maintenance.  Are all crucial steps towards preventing water hammer.

Additionally, considering the inclusion of air chambers during construction.  Or upgrades can provide an added layer of protection. Safe guard your home from water hammer today and enjoy a quiet and functioning plumbing system.


For more blogs on ways to prevent a Breakdown, visit our blog page section of our website

Tom Hewitt
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