Water Pipes Hammering?


Water hammer arrestors, also known as water hammer arresters or simply water arrestors, are devices used in plumbing systems to address the issue of water hammer. Water hammer is a common and potentially damaging problem in plumbing systems. Water arrestors serve several important purposes: 


- Preventing Noise: Water hammer refers to the loud banging or knocking noise that occurs when water flow is suddenly stopped or redirected. This noise can be disruptive, especially in quiet environments. Water arrestors help dampen the noise by reducing the sudden pressure fluctuations in the pipes. 


- Protecting Pipes and Fixtures: The force of the water hammer can exert considerable stress on pipes, fittings, and fixtures within the plumbing system. Over time, this can lead to structural damage and potential leaks. Water arrestors absorb the shock and reduce the strain on the plumbing infrastructure, increasing its longevity. 


- Preventing Leaks and Damage: A water hammer can cause pipes and fittings to develop leaks. It can also damage appliances and fixtures like dishwashers, washing machines, and faucets. The use of water arrestors can prevent these issues by mitigating sudden pressure surges. 


- Enhancing Water Flow: A water hammer can disrupt the flow of water in the plumbing system, leading to erratic water pressure and flow. Water arrestors help maintain a more consistent and even water flow, which is especially important for appliances that rely on a steady water supply, such as water heaters and washing machines. 


- Complying with Building Codes: In many regions, building codes or regulations require the installation of water arrestors, especially in commercial and multifamily residential buildings, to reduce the potential for damage and noise. 


Water arrestors typically consist of a chamber with a compressible cushion of air or gas and a piston. When water flow is suddenly halted or redirected, the piston compresses the cushion, absorbing the shock and preventing the associated problems. Water arrestors are commonly used in areas of the plumbing system where valves are frequently opened and closed, such as in washing machines, dishwashers, or toilet supply lines. 


In summary, water arrestors are necessary in plumbing systems to mitigate water hammer, which can cause noise, damage, and potential plumbing system issues. By reducing the sudden pressure fluctuations, water arrestors help protect pipes, fixtures, and appliances, ensuring the reliability and longevity of the plumbing system.

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