7.6.1.11.Thermal Expansion

(1) Where thermal expansion can occur, protection shall be provided for
       (a) check valves required by Article 7.6.1.5.,
       (b) backflow preventers required by Sentence 7.6.2.1.(3), and
       (c) pressure-reducing valves required by Article 2.6.3.3.
       (See Note A-7.6.1.11.(1))

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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.