PRESS RELEASE

    IAPMO Seeks Public Input on Manual of Recommended Practice for Hydrogen Fuel Gas Piping

    IAPMO Seeks Public Input on Manual of Recommended Practice for Hydrogen Fuel Gas Piping

    Ontario, Calif. — The International Association of Plumbing and Mechanical Officials (IAPMO®) has opened the public review period for the initial draft of the Manual of Recommended Practice for Hydrogen Fuel Gas Piping.

    IAPMO initiated the Hydrogen Fuel Gas Piping Task Group — which consisted of industry experts from across the nation and abroad — in March 2022 to create a manual to develop code-enhanced and adoptable language for hydrogen gas piping systems. The task group’s work culminated in the release of this manual, which addresses the recommended practices for hydrogen fuel gas piping systems and includes annex materials for hydrogen fuel gas admixtures. While developed as a guidance document, it is written in mandatory language so building and health departments can easily adopt and codify the requirements. Additionally, this standalone manual includes excerpts from the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®).

    “Embracing hydrogen as a viable energy source is crucial in our journey toward sustainability,” IAPMO Director of Technical Services and Research John A. Mullen said. “It remains highly critical that the materials used in hydrogen gas piping meet the highest standards for safety, longevity and corrosion resistance. By establishing this task group, we’re mobilizing a team of industry experts to ensure professional installers are equipped to safely transport hydrogen fuel gas through piping in our buildings.” 

    The IAPMO manual may be downloaded for free HERE.

    For questions, please contact John A. Mullen at (631) 994-4774 or john.mullen@iapmo.org, or Christoph Lohr at (909) 731-0219 or christoph.lohr@iapmo.org

    IAPMO, ASPE, ASSE International, ARCSA International Join Into Renewed MoU Outlining Future Collaboration

    02 September 2025

    IAPMO® and the American Society of Plumbing Engineers (ASPE) have renewed a Memorandum of Understanding (MoU), now incorporating ASSE International and ARCSA International, to jointly advance and promote the mutual interests of education, regulations, design, specifications, installation, and inspection of plumbing systems, as well as training, testing and certifying qualified professionals to perform design work responsive to the need to conserve and protect water supplies, and reduce energy use connected to delivery and use of water.

    Report on Comments Toward Development of 2027 UPC, UMC Now Available for Online Download

    01 August 2025

    IAPMO®, developer of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®), has posted online the 2025 Report on Comments (ROC) for the 2027 editions of these American National Standard-designated model codes. The ROC includes the committee actions as discussed during the May 6-8 technical committee meetings, the electronic ballot results as balloted between May 19-June 16, and the Technical Correlating Committee actions on all comments received for the 2027 editions.

    Scroll to top