The Ontario Building Code | Flushing Devices
7.6.1.11. flushing Devices
(1) Every flushing device that serves a water closet or one or more urinals shall have sufficient capacity and be adjusted to deliver at each operation a volume of water that will thoroughly flush the fixture or fixtures that it serves.
(2) Where a manually operated flushing device is installed, it shall serve only one fixture.
In Plain Language
Flushing devices for water closets and similar fixtures must meet the requirements in this article, ensuring reliable, adequately sized flushing performance.
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.