Definitions for "VENT SYSTEM"
Piping system which maintains atmospheric pressure to prevent siphonage of trap water seals, and allows discharge of sewer vapors to the outside.
In plumbing, a system to provide a flow of air to or from a drainage system or to provide circulation of air within such system to protect traps seals from siphonage and back pressure.
A vent is a pipe or pipes instalto provide a flow or air to or from a drainage system to provide a circulation of air within such system to protect trap seals from siphonage and back-pressure.