The Ontario Building Code | Yoke Vents
7.5.7.5. Yoke vents
(1) Yoke ventsrequired by Sentence 7.5.4.3.(1) are permitted to be one sizesmaller than the size of the smallest pipe to which they are connected.
In Plain Language
This article repeats and extends the yoke vent requirements for a related venting method covered in this Subsection, addressing pressure relief on taller soil or waste stacks.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.