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NSF REG4 Certification: The most robust way to ensure safety of water products in contact with drinking water

Let’s make sure the water fittings, system components and materials you install or specify comply with Regulation 4 of the UK’s Water Fittings Regulations and Byelaws.

NSF REG4 certification is a UKAS accredited certification scheme for water fittings, system components and materials and is all that’s needed to meet the requirements of the UK Regulations for plumbing products. In addition, we can support you at all stages of your certification journey and help you decide which of our options is best for you.

NSF REG4 certifies water fittings and non-metallic materials that are in contact with drinking water, including:

  • Valves, backflow prevention devices, taps, mixers, shower heads, pipes and fittings, tanks, cisterns, water meters, washing machines, dishwashers, steaming ovens and many others
  • Plastics, rubbers, coatings, cements, resins, and sealants

Look for the NSF mark. Our mark is your proof that products have been tested by one of the most respected testing, inspection, and certification organizations in the world.

Our REG4 certification is more thorough than other schemes. We back up all certification with material formulations and full supply chain traceability. These give you additional guarantees that products and materials are safe for contact with drinking water.

Find a list of all products certified to NSF REG4 in the NSF listings.

Visit us at stand I10. We know every business is different, and we’d like to tell you more about how NSF REG4 can give you the assurance you’re looking for. Get your free visitor pass to attend InstallerSHOW.

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