PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code
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7.3.7.1.Application of Tests
(1) After a section of a potable water system has been completed, and before it is placed in operation, a water pressure
test or an air pressure test shall be conducted.
(2) A pressure test may be applied to each section of the system or to the system as a whole.
(3) Where a prefabricated system is assembled off the building site in such a manner that it cannot be inspected and
tested on site, off-site inspections and pressure tests shall be conducted.
(4) Where a prefabricated system is installed as part of a water system,
(a) all other plumbing work shall be tested and inspected, and
(b) the complete system shall be pressure tested when requested.
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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.