Industries Affected

Exporters of Water Efficiency Testing Equipment

Manufacturers and exporters of water consumption analyzers, flow meters, and integrated calibration systems used in washer performance verification are directly impacted. These devices must now comply with the updated test methodology specified in IEC 62841-3-4:2025 and support generation of valid test reports under the new SASO framework.

Suppliers of Flow Measurement Modules

Companies producing OEM or embedded flow sensing components—such as ultrasonic or turbine-based flow modules intended for integration into washer test rigs—must verify that their products meet the accuracy, repeatability, and environmental conditioning requirements referenced in IEC 62841-3-4:2025, as these attributes affect final test report validity.

Calibration and Metrology Service Providers

Third-party labs and calibration service providers supporting SASO CoC applications must ensure their accreditation scope explicitly covers IEC 62841-3-4:2025 for water efficiency testing. Labs without current alignment may face delays in issuing accepted reports for client submissions.

Export Compliance and Certification Intermediaries

Firms offering SASO CoC facilitation—including local representatives, conformity assessment consultants, and documentation agents—must update internal checklists and client guidance to reflect the new water consumption metric and mandatory reporting structure. Misalignment risks rejection during SASO’s document review phase.

Key Considerations and Recommended Actions

Monitor official SASO implementation timelines and technical guidance

SASO 2663:2026 specifies an effective date but does not yet publish detailed transition provisions, test setup diagrams, or approved laboratory lists. Exporters should track SASO’s official portal and authorized notification bodies for updates on enforcement deadlines and interpretation notes.

Validate equipment compatibility with IEC 62841-3-4:2025 test procedures

Water efficiency testing instruments must be capable of measuring volumetric flow under dynamic load cycles, low-flow conditions (down to 0.5 L/min), and temperature-stabilized environments as required by IEC 62841-3-4:2025. Manufacturers should conduct internal gap assessments against this edition—not earlier versions—before initiating CoC applications.

Distinguish between policy signal and operational readiness

The introduction of the 8.5 L/kg limit signals tightening regulatory focus on water conservation in household appliances. However, SASO has not yet announced whether grandfathering applies to existing CoC certificates or whether retesting is required for previously certified models. This distinction remains pending clarification.

Prepare documentation and lab coordination ahead of submission

Because SASO CoC requires submission of both test reports and technical files—including device specifications, traceable calibration records, and software validation summaries—exporters should initiate coordination with IEC 62841-3-4:2025–accredited labs early. Delays commonly occur when calibration certificates lack stated measurement uncertainty or fail to reference the 2025 edition.

Editorial Perspective / Industry Observation

Observably, this revision reflects a broader regional shift toward harmonizing appliance water efficiency regulation with internationally recognized test methodologies—not just energy metrics. Analysis shows SASO is progressively aligning its requirements with IEC standards rather than relying on standalone national protocols, suggesting increased predictability for exporters familiar with IEC frameworks—but also higher technical entry barriers for smaller test equipment vendors. Current implementation appears transitional: while the standard is formally published, full enforcement—including verification of lab accreditation status and device-level conformity—is likely subject to phased rollout. From an industry perspective, this is better understood as a regulatory signal with near-term compliance implications, rather than a fully operational regime.

This update underscores how downstream appliance regulations increasingly drive upstream instrumentation requirements. For test equipment suppliers, it reinforces that regulatory changes in end-product standards—especially in high-priority markets like Saudi Arabia—can rapidly cascade into hardware, software, and certification demands across the measurement value chain.

Conclusion

The SASO 2663:2026 revision is not merely a product standard update; it represents a procedural tightening in how water efficiency is verified and certified for washing machines in Saudi Arabia. Its primary impact lies in elevating technical and documentary expectations for the instruments and services used in that verification process. Currently, it is more appropriately understood as a binding requirement with staged implementation—requiring proactive alignment, not reactive compliance.

Source Attribution

Main source: Saudi Standards, Metrology and Quality Organization (SASO), SASO 2663:2026 – Energy and Water Efficiency Requirements for Washing Machines, published May 25, 2026.
Points requiring ongoing observation: official enforcement timeline, list of SASO-recognized laboratories accredited to IEC 62841-3-4:2025, and transitional arrangements for previously issued CoC certificates.