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Module 8 Trade Terms

Horizontales
These are fittings that change the direction of flow in piping and have one leg longer than the other.
The ____ is the largest DWV riser that runs between the building drain and the highest horizontal drain in the system.
Small openings inline with the curve of bends that permit connecting smaller pipes to the main lines at the bends.
The fitting that mates the water closet to the closet bend is a(n) ____.
To connect two DWV pipes at a right angle intersection, us a(n) ____.
The ____ used to join no-hub pipes have three components: a gasket, a stainless steel shield, and clamps.
These permit joining two branch drains to a main pipe at 45-degree angles.
____ are used to join branches at a 45 degree angle to the main pipe.
This is often used above the heated area of a building to prevent frost buildup from closing the opening in the vent stack.
Verticales
____ are elbow-like fittings that change the direction of flow within piping.
Horizontal runs of pipe must be installed with the proper ____ to allow waste to drain away.
____, which is an alloy of iron and magnesium, is less brittle than pure gray iron.
____ connect water closets to the main drainage piping.
Fittings designed to hold a water seal, which prevents sewer gas from escaping into the building.
Using fittings called ____ allows for smoother flow of wastes through turns in the piping system.
Cast iron pipe that has no bell on either end.
There are two thicknesses of cast-iron pipe; ____ and extra-heavy.