A vent pipe which is the continuation of a SOIL STACK which means a toilet is drained into it versus a waste stack that is continuation of a grey water drain.
Hanzel Plumbing & Drain Cleaning
Mike Plumbing & Drain Service
There are two types of plumbing stacks: A stack vent and a soil or waste stack.
Plumbing Repair Sink Drain Houston TX
A stack vent is is the extension of a soil or waste stack above the highest horizontal drain connected to the plumbing stack Vent stack a vertical vent pipe extending through more then two stories which is then connected to a stck vent or is otherwise extended throgh the roof, installed primarily for the purpose of providing circulation of air to and away from any part of the drainage system
HY-Pro Plumbing & Drain Cleaning Of Guelph
Plumbing drain vents equalize the pressure in drain piping in order to preserve trap seals on plumbing fixtures. Blocked or improperly sized vents can cause traps to dry allowing sewer gases to enter the building.
There are some rigid requirements regarding what can be a vent stack and how a plumbing tree must be organized. If you have any questions, refer to a building code manual or a qualified plumber.
Yes
346-291-7058
A double stack system is where you have the main soil stack to carry away toilet waste (Generally). With a separate pipe taking waste water from a Shower/Bath/Basin to an outside gully leading to a sewage drain (maybe via guttering on your property). Not a common system on new builds but still found on pre 60's plumbing.