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  2. Vacuum breaker - Wikipedia

    en.wikipedia.org/wiki/Vacuum_breaker

    A vacuum breaker is a device that prevents water from being siphoned backward in a direction it is not desired to go. They are commonly placed on a bibcock valve or toilet or urinal flush valve , in which application they can prevent hose or drainage water from back-siphoning into the public drinking water system.

  3. 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.

  4. 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.

  5. Backflow - Wikipedia

    en.wikipedia.org/wiki/Backflow

    Backflow occurs for one of two reasons, either back pressure or back siphonage. [1]Back pressure is the result of a higher pressure in the system than in its supply, i.e. the system pressure has been increased by some means.

  6. Plumbing fixture - Wikipedia

    en.wikipedia.org/wiki/Plumbing_fixture

    The most common plumbing fixtures are: Bathtubs; Bidets; Channel drains; Drinking fountains; Showers; Sinks; Tap (connections for water hoses) . Tapware - an industry term for that sub-category of plumbing fixtures consisting of tap valves, also called water taps (British English) or faucets (American English), and their accessories, such as water spouts and shower heads.

  7. Shower - Wikipedia

    en.wikipedia.org/wiki/Shower

    A shower head. A shower head is a perforated nozzle that distributes water over solid angle a focal point of use, generally overhead the bather. A shower uses less water than a full immersion in a bath. Some shower heads can be adjusted to spray different patterns of water, such as massage, gentle spray, strong spray, and intermittent pulse or ...

  8. Pressure vacuum breaker - Wikipedia

    en.wikipedia.org/wiki/Pressure_vacuum_breaker

    A pressure vacuum breaker (PVB) is a type of backflow prevention device, used to keep non-potable (or contaminated) water from entering the water supply. A PVB is similar to an atmospheric vacuum breaker (AVB), except that the PVB contains a spring-loaded poppet. This makes it acceptable for applications that are high hazard or where valves are ...

  9. Thermostatic mixing valve - Wikipedia

    en.wikipedia.org/wiki/Thermostatic_mixing_valve

    Designed for single point applications, such as individual showering, hand wash basin mixers, bath or tub fillers High level protection against scalding and thermal shock Although other temperature regulating valves exist, thermostatic mixing valves are the preferred type in health care facilities, as they limit maximum outlet temperature ...

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