The Ontario Building Code | Hot Water Supply
9.31.4.3. Hot water Supply
(1) In a dwelling unit with a water distribution system, a hot water supply shall be provided.
(2) Awater distribution system supplying hot water to plumbing fixtures shall conform to the requirements in Subsection 7.6.5.
In Plain Language
A hot water supply is required as set out in this article, ensuring occupants have access to heated water for washing and bathing.
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.