This document stipulates the terms and definitions, product classification, marking, basic requirements, technical requirements, test methods, inspection rules, documents, markings, packaging, transportation, storage and quality commitments of solar water heating engineering headers. This document is applicable to headers used for evacuated tube collectors in solar water heating projects.
T/ZZB 2714-2022 history
2022T/ZZB 2714-2022 Header boxes of solar water heating system