Knocking Water Pipes?


Knocking water pipes occurs when air gets into the pipes and the water tries to push past it. There are options for helping remove the air such as capping the pipes or installing a Water Hammer Arrester. There are 3 different kids or arresters available as of March 2013. The first is a vertical capped version that allows water in that slowly absorbs the air bubbles. The second is an in-line version that traps the air as it is separated from the water. The third is a screw on version that can be used on faucets such as the lines for the washing machine.
Q&A Related to "Knocking Water Pipes?"
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1 Additional Answer
Knocking water pipes are directly associated with water pressure. The knocking is generally an indication of either no water in the pipes or air in the pipes. If water comes out immediately through the knocking then the cause is generally valve covers leaking. These can be individually checked or all the seals can be immediately replaced as a preventative measure. Air getting into the pipes will cause the valves to loose their suction pressure and cause the knocking.
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