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2. Backflow prevention device - Wikipedia

   en.wikipedia.org/wiki/Backflow_prevention_device

   Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap.An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool.

3. Water hammer - Wikipedia

   en.wikipedia.org/wiki/Water_hammer

   The water hammer principle can be used to create a simple water pump called a hydraulic ram. Leaks can sometimes be detected using water hammer. Enclosed air pockets can be detected in pipelines. The water hammer from a liquid jet created by a collapsing microcavity is studied for potential applications noninvasive transdermal drug delivery. [33]

4. Plumbing & Drainage Institute - Wikipedia

   en.wikipedia.org/wiki/Plumbing_&_Drainage_Institute

   The Plumbing & Drainage Institute (PDI) is an association of American manufacturers of engineered plumbing drainage specialty products.Such products include floor drains, roof drains, sanitary floor drains, cleanouts, water hammer arresters, swimming pool drains, backwater valves, grease interceptors, fixture supports, and other drainage specialties. [1]

5. January 2025 Richmond water crisis - Wikipedia

   en.wikipedia.org/wiki/January_2025_Richmond...

   Hanover experienced 1 break, the city experienced 22, and Henrico experienced 45. In Henrico's case, the return of warmer water to the cold popes shocked them, which, in combination with air bubbles, created a "water hammer" effect, which significantly damage the pipes. The large number of breaks in the county was due to the county's rerouting ...

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. Man goes viral after decorating entire block with Christmas ...

   www.aol.com/man-goes-viral-decorating-entire...

   Ewurs helped John finish installing the lights on the last houses on the block, and by the second week of November, nearly every house on E. Franklin Avenue was dawned with its own custom LED ...