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2. Pressure switch - Wikipedia

   en.wikipedia.org/wiki/Pressure_switch

   The pressure-sensing element of a pressure switch may be arranged to respond to the difference of two pressures. Such switches are useful when the difference is significant, for example, to detect a clogged filter in a water supply system. The switches must be designed to respond only to the difference and not to false-operate for changes in ...

3. Water supply network - Wikipedia

   en.wikipedia.org/wiki/Water_supply_network

   This eliminates the need of a water tower or any other heightened water reserve to supply the water pressure. These systems are usually owned and maintained by local governments such as cities or other public entities, but are occasionally operated by a commercial enterprise (see water privatization). Water supply networks are part of the ...

4. New York City water supply system - Wikipedia

   en.wikipedia.org/wiki/New_York_City_water_supply...

   With three major water systems (Croton, Catskill, and Delaware) stretching up to 125 miles (201 km) away from the city, its water supply system is one of the most extensive municipal water systems in the world. New York's water treatment process is simpler than most other American cities. This largely reflects how well protected its watersheds are.

5. Backflow prevention device - Wikipedia

   en.wikipedia.org/wiki/Backflow_prevention_device

   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, or there is unexpectedly high demand on the water system (for example, when several fire hydrants are opened).

6. Plumbing - Wikipedia

   en.wikipedia.org/wiki/Plumbing

   Present-day water-supply systems use a network of high-pressure pumps, and pipes in buildings are now made of copper, [34] brass, plastic (particularly cross-linked polyethylene called PEX, which is estimated to be used in 60% of single-family homes [35]), or other nontoxic material.

7. Water distribution system - Wikipedia

   en.wikipedia.org/wiki/Water_distribution_system

   An example of a water distribution system: a pumping station, a water tower, water mains, fire hydrants, and service lines [1] [2]. A water distribution system is a part of water supply network with components that carry potable water from a centralized treatment plant or wells to consumers to satisfy residential, commercial, industrial and fire fighting requirements.