Ontario, Calif. – In accordance with the IAPMO Regulations Governing Committee Projects, IAPMO would like to announce that a tentative interim amendment (TIA) to the 2024 edition of the Uniform Mechanical Code (UMC®) is being submitted for public comment.
UMC TIA 002-24 revises text in the 2024 edition of the UMC, Section 1104.6.2.4 (Refrigerant Concentration Above Limit), regarding reference to the setpoint for refrigerant detection systems. The comment form is located HERE.
IAPMO invites all interested parties to review the proposed TIA on the IAPMO website under Uniform Mechanical Code / Proposed TIAs and respond by filling out the comment form.
The deadline to submit comments is Sept. 5.
Completed forms may be emailed to Taylor Duran, UMC staff liaison, at taylor.duran@iapmo.org.
IAPMO®, developer of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®), has posted online the timeline for the development of the 2030 editions of these prospective American National Standards.
IAPMO® is seeking volunteers to participate on two technical committees working toward the development of the 2030 editions of the Uniform Plumbing Code (UPC®) and Uniform Mechanical Code (UMC®). The deadline to submit an application is Jan. 30, 2026.
ARCSA International will host a new Technical Symposium May 20–21, 2026, at Grundfos Headquarters in Brookshire, Texas. This two-day event will feature advanced training, industry updates, technology displays, and networking opportunities, with full program details coming later this year.