The Ontario Building Code | Fuel-Burning Heaters
9.31.6.4. Fuel-Burning Heaters
(1) Fuel-burningservice water heaters shall be connected to a chimney flue conforming to Section 9.21.
In Plain Language
Fuel-burning water heaters must meet the requirements set out in this article, addressing safe combustion and venting.
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.