How To Stop Water Hammer In Taps. A common cause of water hammer is high water pressure. If your pressure is running near 100 psi, then it’s likely the cause of your issue.
Let water drain from open faucets. Obviously if you turn off the quarter turn taps slowly you won't get the water hammer. Wait approximately 20 to 30 minutes.
Watch the video below to see what water hammering is and what you can do to stop it.
You can fix the water hammering problem by shutting off the main water valve, turning on all taps and draining the entire house. Check with local water authorities for regulations in your state. A water hammer commonly occurs when a valve closes suddenly at an end of a pipeline system, and a pressure wave propagates. Normal pressure should be approximately 30 to 55 psi.