7.2.5.12.Polyethylene/Aluminum/Polyethylene Composite Pipe and Fittings

(1) PE/AL/PE composite pipe and fittings used for potable water systems shall conform to CSA B137.9,
  “Polyethylene/aluminum/polyethylene (PE-AL-PE) composite pressure-pipe systems.” (See Note A-7.2.5.12.(1))

  (2) Except as provided in Sentences (3) and (4), PE/AL/PE pipe and fittings shall not be used in hot water systems.

  (3) PE/AL/PE pipe with a pressure rating of 690 kPa or greater at 82ºC shall be permitted for hot water systems.

     (4) PE/AL/PE pipe with a pressure rating of 690 kPa or greater at 82ºC shall be used with fittings that conform to
     CSA B137.10, “Crosslinked polyethylene/aluminum/crosslinked polyethylene (PEX-AL-PEX) composite pressure-pipe
     systems,” in hot water systems.

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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.