UK Certifications and Approvals
NSF tests and certifies plumbing products to meet the regulatory requirements required to sell water products in the United Kingdom. We also submit test reports required for industry certifications.
NSF REG4 Certification
Demonstrate plumbing product and material compliance with the UK’s Water Supply (Water Fittings) regulations and byelaws through a fast, efficient, robust process.
Testing for BS 6920
Test your products for a quicker path to BS 6920 compliance.
NSF REG4 Supported by Industry Leader
Case Study: Aalberts Integrated Piping Systems Turns to NSF
Brass Rod Alloys Added To Annex N-2 of NSF/ANSI/CAN 61
News and Events
Plumbing Standard Revisions Tighten Lead Leaching Criteria in Drinking Water
September 22, 2020
SABIC Is the First Materials Manufacturer To Earn a New NSF REG4 Mark
January 21, 2020
NSF to Perform New Inlet Valve Testing for WRAS
October 17, 2019
The UK water industry recently introduced new guidance for WC compliance.
Testing and Auditing TMVs Adds Valuable Safeguards
February 7, 2019
NSF manages the TMV2 and TMV3 certification schemes that verify thermostatic mixing valves (TMVs) for domestic and healthcare use. These certifications satisfy the robust performance requirements detailed in the standards BS EN 1111 and BS EN 1287 (domestic) and in the UK Department of Health and Social Care performance specification D 08 (healthcare). NSF delivers TMV2 testing and certification against the 2017 version of these performance standards.