Div. B › Part 7 › 7.2 › 7.2.10 — Miscellaneous Materials

7.2.10.16 — Air Admittance Valves

Copied! ▲ ▼

(1) Air admittance valves shall conform to ASSE 1051, “Individual and Branch Type Air Admittance Valves for Sanitary Drainage Systems”.

OBC Definitions

Defined terms on this page

air admittance valve

means a one-way valve designed to allow air to enter the drainage system when the pressure in the plumbing system is less than the atmospheric pressure.

branch

means a soil or waste pipe that is connected at its upstream end to the junction of two or more soil or waste pipes or to a soil or waste stack and that is connected at its downstream end to another branch, a sump, a soil or waste stack or a building drain.

drainage system

means an assembly of pipes, fittings, fixtures and appurtenances on a property that is used to convey sewage and clear water waste to a main sewer or a private sewage disposal system, and includes a private sewer, but does not include subsoil drainage piping. Drinking water system has the same meaning as in subsection 2 (1) of the Safe Drinking Water Act, 2002.

sanitary drainage system

means a drainage system that conducts sanitary sewage.

On this page