Written by IAPMO 6:38 pm Code Development, IAPMO News, Mechanical News

IAPMO Makes Tentative Interim Amendment Available for Public Comment

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 develops and publishes the Uniform Plumbing Code®,the most widely recognized code of practice used by the plumbing industry worldwide; Uniform Mechanical Code®; Uniform Swimming Pool, Spa and Hot Tub Code®; and Uniform Solar Energy, Hydronics and Geothermal Code — the only plumbing, mechanical, solar energy and swimming pool codes designated by ANSI as American National Standards — and the Water Efficiency Standard (WE-Stand)™. IAPMO works with government, contractors, labor force, and manufacturers to produce product standards, technical manuals, personnel certification/educational programs and additional resources in order to meet the ever-evolving demands of the industry in protecting public health and safety.

Last modified: August 22, 2023