PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code
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7.3.7.2.Pressure Tests of Potable Water Systems
(1) Every potable water system shall be capable of
(a) withstanding without leakage a water pressure that is at least 1 000 kPa for at least 1 h, or
(b) withstanding for at least 2 h without a drop in pressure an air pressure that is at least 700 kPa.
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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.