Plumbing Flashcards
A branch vent that serves two or more traps and extends from in front of the last fixture connection of a horizontal branch to the vent stack
Circuit Vent
A vent connecting at the junction of two fixture drains and serving as a vent for both fixtures
Common Vent/Dual Vent
A single vent that ventilates multiple traps, in case of back to back fixtures
Common Vent/Dual Vent
A vertical vent that is the continuation of the drain to which the vents connect
Continuous Vent
A vent that does not serve as drain and is located where it is not exposed to back up of waste from a drainage pipe
Dry Vent
A branch vent that performs its functions for two or more traps
Group Vent
A pipe installed to vent, a fixture trap and which connects with the vent system above the fixture served or terminates in the open air
Individual Vent
A circuit vent which loop backs to connect with a stack vent instead of a vent stack
Loop Vent or Circuit Vent
Any vent connecting a horizontal branch or fixture drain with the stack vent of the originating waste or soil stack
Loop Vent or Circuit Vent
A pipe on the fixture side of the trap through which vapor or foul air is removed from a room fixture
Local Vent
The principal artery of the venting system to which vent branches may be connected
Main Vent
A vent installed so as to permit additional circulation of air between the drainage and vent systems where the drainage systems might otherwise be air bound
Relief Vent
An arrangement of venting so installed that one vent pipe will serve two traps
Unit Vent
The extension of a soil or waste stack above the highest horizontal drain connected to the stack horizontal drain, the uppermost end above the roof
Stack Vent
A vent which also serves as a drain
Wet Vent
