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News: Codes & Standards

PEX Fittings Now Reference Low-Lead Requirements in the CSA Standards - Update

June 6, 2016   (0 Comments)
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PEX Fittings Now Reference Low-Lead Requirements in the CSA Standards


June 1st 2016



A number of the PEX product standards by CSA Group have been updated to reference the low-lead requirements in NSF 372 (no more than a weighted average lead content of 0.25% on wetted surfaces).

Below is a status table for some of the common standards for manufacturers of thermoplastic pressure pipe, associated fittings, and applicable compounds and solvent cements included in the CSA B137-13 Series of Standards. Manufacturers had to comply by January 2, 2016 in order to guarantee the update to certifications and listings are completed by July 1, 2016 according to CSA Group.

The supply chain channel should coordinate with their supplier/manufacturers to verify certification to the latest edition of the standard and applicable markings. The CSA B137-13 Series has been updated and referenced in the recently published version of the model National Plumbing Code (NPC 2015).

Currently no provinces or territories have adopted the NPC 2015 or enforced this requirement in code. CIPH is polling the provinces to gauge the adoption schedules for the NPC 2015. This will offer the industry guidance on timelines for supply chain management.

  CSA B137-13 Series Standards with NSF 372 Referenced



Project Status

Certification Notices


Definitions general requirements and methods for testing thermoplastic pressure piping

Completed and Published

Plumbing Products No. 266

Effective Date: July 1, 2016


Metal Components for Crosslinked PEX tubing for pressure applications

Completed and Published


Metal Components for PolyButylene piping systems for pressure applications

Completed and Published


Metal Components for Crosslinked polyethlene/aluminum/crosslinked polyethylene composite pressure pipe applications

Completed and Published


Metal Components for Polypropylene pipe and fittings for pressure applications

Completed and Published


In order for manufacturers to maintain compliance and certifications to NSF 61, there is already a requirement for NSF 372 integrated for potable applications.


Note:     As projects are completed and the standards published/implemented, CIPH will take every opportunity to update the Code for already referenced standards within the model National Plumbing Code by updates during interim process.

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