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November 18, 2019

IAPMO makes new Tentative Interim Amendment available for public comment until November 22

Ontario, Calif. (Nov. 15, 2019) — In accordance with the IAPMO Regulations Governing Committee Projects, IAPMO would like to announce that a Tentative Interim Amendment (TIA) to the 2018 edition of the Uniform Mechanical Code (UMC®) is being submitted for public comment.

TIA UMC 008-18 revises text in UMC Section 1109.2 (Joints) and Section 1109.7 (Pipe Enclosure) regarding press-connect joints for refrigeration piping. The comment forms are located at:

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 Nov. 22.

Completed forms may be emailed to Zalmie Hussein, Mechanical Code Development Administrator, at or faxed to the Codes Department at (909) 472-4246.


Sponsor of the Uniform Codes, IAPMO® – The International Association of Plumbing and Mechanical Officials – works in concert with government and industry for safe, sanitary plumbing and mechanical systems. Learn more about IAPMO at