A few weeks ago, I started hearing strange banging noises every time I turned off a tap in my home. It wasn’t just a soft thud; it was loud enough to startle me. Curious and a bit concerned, I called a plumber to investigate. When he arrived, he explained the root cause and even let me watch as he addressed the issue. When I asked him what causes knocking in water pipes, he replied high water pressure, loose supply pipes and air in pipes. Here’s what I learned more from him.
What Causes Water Knocking?
The plumber explained that this knocking, also known as water hammer, happens when a sudden stop in water flow causes pressure waves to hit the walls of the pipes. Here are some common reasons and its solutions he informed.
- High Water Pressure: If water pressure is too high, pipes can vibrate and produce a tapping sound while the water flows. The plumber checked my home’s pressure and installed a pressure-reducing valve to bring it to a safe level.
- Loose Supply Pipes: He said what causes knocking in pipes can also be traced to pipes that aren’t securely fastened. When these pipes move, they can hit walls and create a banging sound. To fix it, he said to secure the loose pipes with brackets.
- Air in Pipes: Older systems with air chambers can lose their cushioning effect, causing knocking sounds. To eliminate air pockets, drain the system and refill it.
By the end of the visit, the noises were gone, and I felt relieved. If you’re dealing with similar issues, don’t ignore them and get it fixed from the professional immediately.
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What Causes Knocking in Water Pipes?
Rheman
1.7k Views
1
6 months
2024-12-13T22:27:20+00:00 2024-12-13T22:27:21+00:00Comment
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