Experiencing loud bangs from your washing machine or dishwasher? It could be water hammer. This pressure surge can damage pipes and appliances over time.

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Water hammer is a common phenomenon that can occur in household appliances like washing machines, dishwashers, and even faucets. This sudden and loud banging noise occurs when water flow is abruptly stopped or redirected, creating a shockwave in the pipes. Over time, water hammer can cause significant damage to your plumbing system, leading to leaks, burst pipes, or damaged appliances.

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What Causes Water Hammer?
Water hammer happens when valves in appliances such as washing machines or dishwashers close too quickly, trapping highly pressurized water behind them. This sudden stoppage causes the water to slam into the pipe walls, creating a shockwave that results in the banging noise you hear. Over time, this pressure can damage the pipes, valves, and even the appliances themselves.

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Common Appliances Affected by Water Hammer

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Washing Machines

Washing machines are one of the most common culprits of water hammer. The rapid closing of the water valve when the washing machine fills or stops water flow can trigger a shockwave in the pipes. If left unchecked, this can lead to pipe damage or even leaks in your plumbing system.

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Dishwashers

Similar to washing machines, dishwashers close their water valves quickly, causing water hammer in the pipes. The sudden water stoppage creates pressure surges that can wear down the pipes over time.

Faucets

Though faucets may seem less likely to cause water hammer, high-pressure systems or quick shut-off valves can also lead to shockwaves within the plumbing. In extreme cases, the constant occurrence of water hammer can weaken the faucet’s valve and internal parts.

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Preventing Water Hammer
To protect your plumbing system from the damaging effects of water hammer, it’s important to install water hammer arrestors or air chambers. These devices absorb the shock created by the sudden stoppage of water, preventing the loud banging noises and reducing the risk of damage to your pipes and appliances.

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At Kwang Woon, we provide effective solutions for managing water hammer in your home or business. Our team of experts can assess your plumbing system and install water hammer arrestors to ensure your appliances and pipes are protected from pressure surges. With regular maintenance and proper prevention techniques, you can prevent water hammer from damaging your plumbing and appliances.