How to eliminate water hammer noise after flushing a toilet

April 10, 2015 | by Will Wang
How to eliminate water hammer noise after flushing a toilet

Have you ever been startled by a loud bang in you pipes after your fill valve shuts off? This is called water-hammer. Water hammer is a pressure surge or wave caused when a fluid in motion is forced to stop or change direction suddenly. Water hammer commonly occurs when a valve closes suddenly at an end of a pipeline system, and a pressure wave propagates in the pipe. This pressure wave can cause major problems, from noise and vibration to pipe collapse. It is possible to reduce the effects of the water hammer pulses by restricting the flow rate or in severe cases using accumulators or arrestors.

Resonance is the rapid banging or jack-hammer sound in a pipe during the fill process. This is caused by restrictions in the shut-off valve, supply line or fill valve. For troubleshooting Water Hammer or Resonance, please click here.

Topics: Bathroom, Plumbing & Fixtures, Sinks & Toilets, Water Saving Devices

Companies: Fluidmaster

Will Wang
Will Wang is the Director of Marketing at Fluidmaster and is responsible for new product development, product management, and the marketing strategy. Will has over eleven years in managing and successfully launching products into the home improvement and builder marketplace. Will has a well rounded educational background in mechanical and manufacturing engineering, and a masters in business administration which have helped him thrive in marketing and business management; his true passion. www

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