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Distributing Water Around The
Editor In Chief, United Home Improvement
Pressure is the key element that ensures a safe, usable water
system. Water pressure provides the energy needed to deliver water
to you. Pumps located at the water treatment plant and elsewhere in
the distribution system maintain the water pressure. These pumps
control the pressure making it possible for you to get water when
you need and where you need it.
As water gets carried from the water main to the various plumbed
appliances in your home, proper water pressure is absolutely
essential for the protection of your faucets, toilets, showerheads
and other appliances. An overload of water pressure will cause
plumbing fixtures and appliances to become damaged or leak
excessively. Also, if the pressure drops too low, plumbing fixtures
and appliances might not work efficiently.
The system must be designed accordingly so that each appliance
receives the proper pressure of water. Multiple appliances must be
able to function at the same time as well. The pressure must be
conserved and reduced to a level that can be safely dealt with.
Also, keep in mind that maintaining a positive water pressure serves
to protect the water quality by protecting it from untreated
groundwater with which the pipelines might come in contact.
Water pressure is measured by the amount of force it exerts per
square inch of internal pipe space, or in pounds per square inch (psi).
A gauge installed on the piping system keeps an accurate measure of
this. The typical water pressure for a public distribution system is
between 40 - 80 psi, and should always be above 20 psi. Anything
over 80 psi is dangerous.