The Ontario Building Code | Required Connections
9.31.3.2. Required Connections
(1) In a dwelling unit with a water distribution system, piping for hot and cold water shall be connected to every kitchen sink, lavatory, bathtub, shower, slop sink and laundry area.
(2) Piping for cold water shall be run to every water closet.
9.31.4. Required Facilities
In Plain Language
Required connections to the water supply and drainage systems are set out in this article, ensuring fixtures are properly plumbed.
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.