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IAPMO Z1349-2021
Devices for Detection, Monitoring or Control of Plumbing Systems
This standard covers devices for detection, monitoring or control of water supply and distribution systems in sizes DN 8 to DN 300 (NPS 1/4 to NPS 12) for commercial and residential applications and specifies requirements for materials, performance testing, environmental limitations, installation, and markings.
International Association of Plumbing and Mechanical Officials [iapmo]