Common Plumbing Terms

Joints is a term used to refer to the plumbing connections whether it be in copper or plastic.

Clean Out is a term used to refer to the access to the sanitary or waste lines in order to be able to clean them out if they were clogged.

Perk Test is the test that is done to see how well the soil allows water to penetrate or perk. This test is done to see if a septic tank can be used in a particular location on a piece of property

Pressure Test is to pressurize the plumbing line and check to see if it maintains a constant pressure

Copper Type refers to the type copper that is normally used in pressure or water applications normally in residential construction type K or type L is preferable. The higher in letter the thinner the copper will be.

Stack Test is a term used to refer to filling a stand pipe normally 10 foot in height with water and let sit for a period of time. This is to test normally the sanitary drain in a house or inner foundation.

Rough Plumbing is a term used to a stage in construction when the plumbing is actually roughed in before the walls are covered up with sheet rock or other wall finishes.

Elbow is a term used to refer to a particular type fitting whether it is in copper or plastic, which warms a 90-degree angle

Pee Trap is a term used to refer to the sanitary trap normally at the beginning of a drain underneath lavatories or sinks.

Lateral is a term used to refer to branching off supply lines whether it is for water or sewer.


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