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Introduction to (DWV) Systems Module twelve

Horizontales
Semi-liquid matter settling in a holding tank
Nonindustrial waste generated from domestic processes
Loss of water to the atmosphere
Used to connect DWV branches to the main DWV system for a cleanout
Can result in a reversal of flow into the portable water piping
The level line in which water tends to flow in a pipe
The tendency of water to be drawn by porous material
Provides a water seal in a waste pipe
Fitting looking like an upside-down letter Y and used to join the upper end of the vent to the top of a waste stack
Fitting used in venting systems or as a cleanout
Discharge overflow of the trap outlet
The amount of slope given to horizontal runs of pipe
Practice of creating a negative pressure that stops the flow of drainage
Plastic fitting with a sharp turn radius used only in specific piping systems
Loss of water in a trap seal caused by unequal pressure inside and outside DWV piping
Verticales
Acronym referring to the combined sanitary drainage and venting systems
Any vertical line in waste, vent, etc. piping
Portion of plumbing system addressing waste
Trap with a long downstream leg
Pipe that carries waste from a sinks P-trap to a junction with another drainpipe
Type of trap or crown
Fitting used to enlarge the diameter of the vent stack
Fitting that combines a wye and 1/8 bend
One or more lengths of pipe that continues in a straight line
Distance along a waste stack corresponding to a story height where the horizontal branches from one floor are connected to the stack
Extends from the end of the buildings drain to a sewage-disposal system
Fitting installed to allow pressurizing to inspect for leaks
Slope of a horizontal run of pipe
Any connector used in a DWV system
Flaky material resulting from corrosion of metals
Opening in an ell fitting at right angles to the line of the run
The height above an established reference point