GB 25502-2024

Active

Minimum allowable values of water efficiency and water efficiency grades for water closets

坐便器水效限定值及水效等级

Standard Type
GB
ICS
91.140.70
CCS
Q31
Status
Active
Issue Date
2024-10-28
Implementation
2025-05-01
Centralized Committee
国家标准委
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies the minimum allowable values of water efficiency and the water efficiency grades for water closets (toilets), establishing mandatory thresholds for water consumption per flush. It is applied in China for the manufacturing, certification, and market entry of residential and commercial toilet products, ensuring compliance with national water conservation regulations. The standard is used by regulators, manufacturers, and testing laboratories to classify toilets into efficiency grades (e.g., Grade 1 being most efficient) and enforce minimum performance requirements.

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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.