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2. Curb box - Wikipedia

   en.wikipedia.org/wiki/Curb_box

   A curb box (also known as a valve box, buffalo box, b-box, or in British English stopcock chamber) is a vertical cast iron sleeve, accessible from the public way, housing the shut-off valve (curb cock or curb stop) for a property's water service line. [1][2][3] It is typically located between a building and the district's water main lines and ...

3. Shutdown valve - Wikipedia

   en.wikipedia.org/wiki/Shutdown_valve

   Shutdown valve. A shutdown valve (also referred to as SDV or emergency shutdown valve, ESV, ESD, or ESDV; or safety shutoff valve) is an actuated valve designed to stop the flow of a hazardous fluid upon the detection of a dangerous event. This provides protection against possible harm to people, equipment or the environment.

4. Reduced pressure zone device - Wikipedia

   en.wikipedia.org/wiki/Reduced_pressure_zone_device

   Reduced pressure zone device connected to a fire hydrant. A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. RPZDs may also be known as reduced pressure principle (RP), reduced pressure principle backflow prevention devices, [1][2] reduced pressure ...

5. Backflow prevention device - Wikipedia

   en.wikipedia.org/wiki/Backflow_prevention_device

   A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water distribution systems, water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture. Water pressure may fail or be reduced when a water main bursts, pipes freeze ...

6. Atmospheric vacuum breaker - Wikipedia

   en.wikipedia.org/wiki/Atmospheric_vacuum_breaker

   An Atmospheric Vacuum Breaker (AVB) is a backflow prevention device used in plumbing to prevent backflow of non-potable liquids into the drinking water system. Diagram of Atmospheric Vacuum Breaker in both working states. It is usually constructed of brass and resembles a 90-degree elbow with a hood on its top to allow air to enter the water ...

7. REMINDER: Turn Off Your Water Valve - AOL

   www.aol.com/.../reminder-turn-off-your-water-valve

   REMINDER: Turn Off Your Water Valve Barrier Island Customers Should Ensure Water at Their Building's Main Valve is Turned off, or Risk Damage as the Company Restores Pressure to Water Service ...