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When your faucets are off, the water is sitting still. As soon as you open a faucet, water starts flowing out due to the pressure created by your water pump. Whenever you turn the water faucet off, the water supply is cut at the spigot and now all that water that was moving has now stopped, suddenly. Sometimes, when the pressure is too high, it can cause what is called water hammer. Water hammer is when a faucet is turned off, a shockwave is sent through the pipes, vibrating them sometimes throughout the entire house.

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15y ago

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