Drainage Products Certification

Achieve global compliance by testing and certifying your drainage products to the highest industry standards.

NSF helps manufacturers of drainage products meet all regulatory requirements and plumbing codes throughout the U.S. and Canada. We also provide listings to the Uniform Plumbing Code (UPC) and International Plumbing Code (IPC).

We test drainage products to confirm the accuracy of your stated flow rates and comply with industry standards, including:

  • Floor drains (ASME A112.6.3)
  • Roof drains (ASME A112.6.4)
  • Grease interceptors and septic tanks (ASME A112.14.3, ASME A112.14.4, CSA B481)
  • Plumbing waste fittings and valves (ASSE 1049, 1050 and 1051, ASME A112.14.1)
  • Cast iron soil pipes and no-hub couplings (CISPI 301, CISPI 310, ASTM A888)

What Sets Us Apart

By certifying your products with NSF, you’ll shorten the turnaround time between manufacturing and testing, allowing you to get your products to market more quickly.

As an independent, third-party testing and certification agency, NSF is trusted by regulators, plumbing professionals and building and business owners. Manufacturers who achieve certification have access to more opportunities thanks to our highly credible, recognisable certification mark.

We list certified drainage products on NSF’s website, increasing the marketability and visibility of your products with regulators and consumers. In addition to earning industry recognition with the NSF mark, your company will have access to:

  • State-of-the-art, in-house drain and grease interceptor testing rigs
  • On-site witness testing with timely official results
  • Discounts for bundled testing and certification services

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How NSF Can Help You

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