The Ontario Building Code | Conformance to Standards
7.2.2.2. Conformance to Standards
(1) water closets and urinals shall conform to the requirements in Article 7.6.4.2.
(2) Vitreous china fixtures shall conform to ASME A112.19.2 / CSA B45.1, "Ceramic Plumbing Fixtures".
(3) Enamelled cast iron fixtures shall conform to ASME A112.19.1 / CSA B45.2, "Enamelled Cast Iron and Enamelled Steel Plumbing Fixtures".
(4) Porcelain enamelled steel fixtures shall conform to ASME A112.19.1 / CSA B45.2, "Enamelled Cast Iron and Enamelled Steel Plumbing Fixtures".
(5) Stainless steel fixtures shall conform to ASME A112.19.3 / CSA B45.4, "Stainless Steel Plumbing Fixtures".
(6) Plastic fixtures shall conform to CSA B45.5 / IAPMO Z124, "Plastic Plumbing Fixtures".
(7) Hydromassage bathtubs shall conform to ASME A112.19.7 / CSA B45.10, "Hydromassage Bathtub Systems".
(8) Macerating toilet systems shall conform to CAN/CSA-B45.9, "Macerating Systems and Related Components".
In Plain Language
Water closets and urinals must conform to the flush-performance requirements in Article 7.6.4.2, and vitreous china fixtures must meet the referenced ASME/CSA material and construction standard.
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.