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Plumbing - Is it Really That Complicated?

Most people think that the plumbing system inthat would stop the free flow of drain water.
a home is more complicated than it really is
because of it's network of pipes and valves.All sewage will eventually reach the waste
Once you recognize the major components andand vent stack. The waste water flows in the
the roles they play, home repairs aresewer line and exits the house via a
relatively  easy  to  do.municipal sewage system or a private septic
tank. In the meantime, sewer gas rises
Most home plumbing systems are composed ofthrough the vent and escapes through the roof
three things: the water supply system, thevent,  thus  rendering  it  harmless.
fixtures and appliances, and the drainage
system. Water enter a home through a mainMost of the pipes in modern homes are made of
supply line, either a municipal water companycopper but plastic is becoming more popular.
or a private well. If it comes from aHomes build before the 1950's usually had
municipal source, it must first pass throughpipes that were made of galvanized iron. Iron
a meter which measures the amount of waterpipes can lead to water that looks rusty when
used.it  first  comes  through  the  fixtures.
Once the water from the main supply entersMost pipes in the drainage waste system is
the house, the branch line splits off andmade of plastic or cast iron. They can be one
joins the water heater. From there, the hotand a quarter inches to four inches in
and cold water lines run parallel to eachdiameter to allow easy passage of waste water
other to all the fixtures and appliances inthrough the pipes. Lead pipes are no longer
the house. Once the water becomes waste, itused in home plumbing, though for the waste
runs into a trap and then into the draindrainage system they do not pose a health
system which works totally by gravity. Wastehazard. Slope is an important factor in the
water flows downhill through a series ofwaste drainage system, and each section must
large diameter drain pipes, which arehave the proper degree of slope to allow the
attached to a system of vent pipes. Ventsystem to function as intended, working with
pipes permit air to enter the system throughgravity to remove the wastes.
a roof vent. This fresh air prevents suction



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