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2. Tap (valve) - Wikipedia

   en.wikipedia.org/wiki/Tap_(valve)

   A North American style mixing valve uses a center handle to control both water flow and temperature (increased by clockwise rotation). Below it is a lever controlling a diverter, sending flow to the tap when positioned to the left, the shower to the right.

3. Thermostatic mixing valve - Wikipedia

   en.wikipedia.org/wiki/Thermostatic_mixing_valve

   A thermostatic mixing valve (TMV) is a valve that blends hot water with cold water to ensure constant, safe shower and bath outlet temperatures to prevent scalding. The storage of water at high temperature removes one possible breeding ground for Legionella; the use of a thermostat, rather than a static mixing valve, provides increased safety ...

4. 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 ...

5. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   A fitting or adapter is used in pipe systems to connect sections of pipe (designated by nominal size, with greater tolerances of variance) or tube (designated by actual size, with lower tolerance for variance), adapt to different sizes or shapes, and for other purposes such as regulating (or measuring) fluid flow. [1][2] These fittings are used in plumbing to manipulate the conveyance of ...

6. Shower - Wikipedia

   en.wikipedia.org/wiki/Shower

   A shower is a place in which a person bathes under a spray of typically warm or hot water. Indoors, there is a drain in the floor. Most showers have temperature, spray pressure and adjustable showerhead nozzle. The simplest showers have a swivelling nozzle aiming down on the user, while more complex showers have a showerhead connected to a hose ...

7. Pressure-balanced valve - Wikipedia

   en.wikipedia.org/wiki/Pressure-balanced_valve

   The pressure-balanced shower valve compensates for changes in water pressure. It has a diaphragm or piston inside that reacts to relative changes in either hot or cold water pressure to maintain balanced pressure. As water pressure drops on one supply line, the valve reduces the pressure in the other supply line to match.