Vent stack definition
Vent stack means a vertical vent pipe that provides air for a drain stack of 5 or more branch intervals.
Vent stack means a main vertical ventilation pipe of any part of a drainage installation.
Vent stack means a vertical vent pipe which extends one or more stories.
More Definitions of Vent stack
Vent stack means a main vertical ventilating pipe of any part of a drainage installation;
Vent stack means a vertical ventilating pipe in a drainage installation;