circuit vent

branch vent

branch vent, 1
1. A vent connecting one or more individual vents with a vent stack or stack vent.
2. A vent pipe to which are connected two or more pipes that vent plumbing fixtures.
References in periodicals archive ?
Tenders are invited for Disposable Breathing Circuit Vent Set Basee For Savina 300 Each Boxes Cont.
Contract awarded for heat exchanger filter wool-low humidity resistance, antibacterial, high flow circuit vent corrugated (must include corrugated pipe connector) (j-1080)