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IAPMO Publishes U.S., Canadian Standard for Detection, Monitoring or Control of Plumbing Systems

The International Association of Plumbing and Mechanical Officials has published ANSI/CAN/IAPMO Z1349-2021 (Devices for Detection, Monitoring or Control of Plumbing Systems) as both an American National Standard and National Standard of Canada.

Formerly known as IGC 115 and IGC 349, the ANSI/CAN/IAPMO Z1349 covers devices for detection, monitoring or control of water supply and distribution systems for commercial and residential applications and specifies requirements for materials, performance testing, environmental limitations, installation and markings. For more details, visit iapmo.org.

Devices covered by this standard govern plumbing systems through features such as:

  • Automatic shut‐off or electronic alarm notification or isolation of the supply piping when conditions are detected indicating a leak or equipment malfunction (e.g., automatic water leak detection and control device)
  • Detecting the presence of water external to the piping system
  • Establishing normal water flow patterns and monitoring for anomalies
  • Monitoring of the hydraulic conditions (e.g., water pressure, temperature or flow) within the main or branch circuit
  • Monitoring of the local environment that may indicate potential for freeze conditions
  • Monitoring of the local environment for moisture that may indicate a leak (e.g., physical water/moisture detection devices)
  • Monitoring of environmental conditions
  • Ongoing analysis of sensor readings or system conditions to ensure monitoring of system integrity
  • Pressure-based or other means of micro leak testing for detection of pinhole leaks or dripping fixtures
  • Provide hardwired or remote access to control a valve (e.g., remotely controlled valves)

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