Code Library › Volume 1 › Section 7.2 — Materials and Equipment
PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code

7.2.7.8.Lead Waste Pipe and Fittings

(1) Lead waste pipe and fittings shall not be used in a water system or as a building sewer. (2) When there is a change in nominal pipe size (NPS) of a lead water closet bend, the change shall be in the vertical section of the bend or made in a manner that prevents the retention of liquid in the bend.
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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.