main vent

main vent

The principal artery of the venting system to which vent branches may be connected; also called vent stack.

vent stack, main vent

vent stack
A vertical vent pipe installed primarily for the purpose of providing
References in periodicals archive ?
One small quibble though concerned the air con as getting a refreshing breeze blowing towards the car's occupants proved difficult as the main vent is situated on top of the dashboard, so sending air up to the roof rather than out to the cabin.
They include the impressive Royal Ascot winner Pique Sous, who is among 60 entries for the main vent - Saturday's John Smith's Northumberland Plate.
Investigation revealed a plugged fuel system main vent line, plugged vent interconnect line at the left tank and a restricted right tank vented fuel cap (p/n C156003-0101).
It rises through the volcano's main vent, or vertical tube that connects to the surface.
The fire in the manufacturing site's main vent and piping was caused by a faulty extractor fan.
Ground conditions are good and the single face ramp has reached the first level to access the Main Vent raise.
As an alternative, most plumbers recommend a special type of vent (photo right) that loops as high as it can go inside the cabinet before heading under the floor and over to the main vent in the wall.
The drill-hole sites are being located using the ground geophysics (MaxMin and Magnetics) that has been completed over the McFaulds #3 grid The mineralized gradient (thickness and percentage various sulphides) will be noted and plotted, in an attempt to locate the main vent or source structure(s) of this new Volcanic Massive Sulphides ("VMS") target.
The vent system runs upward and either connects to the main vent system or runs up through the roof separately.
That is, each drain from a fixture must tie into a main vent that extends through the roof, as shown in Photos 8 and 9.
called the main vent or "soil stack" because it usually vents a toilet and the main sewer leading away from your house.