060201e Circuit Venting Residential Groups and Fixtures Flashcards
What is the #1 advantage of a circuit vent?
No limitation on amount of water closets served
What is the smallest circuit vented branch you may have?
2” (anything smaller must be individually vented)
A circuit vented branch must have a minimum of how many vents?
2
Most downstream circuit vented fixture must be connected to a _____ _____.
Relief vent
A relief vent may serve up to how many fixtures?
6
No more than ___ unvented fixtures between a circuit vent and a relief vent.
8
What is required if there are more than 8 fixtures between the circuit vent and relief vent?
Additional circuit vent
Maximum change of direction on a circuit vent?
45 degrees
Circuit vent acting as a drain must be a minimum of ___.
2”
Dry portion of a relief vent no larger than ___.
2” (or one size smaller than required size of circuit vent)