Uniform codes - Articles | Plumbing & Mechanical

Texas Adopts 2024 Uniform Mechanical Code

The updated code is scheduled to become effective Sept. 1.

July 13, 2026

Among the significant updates included in the 2024 UMC are enhanced air filtration requirements, new ventilation system balancing provisions, updated refrigerant safety classifications, and requirements addressing the use of emerging low-global-warming-potential refrigerants.

Monographs for Uniform Code changes available for download

Monographs contain every public comment submitted for the 2027 editions of the UPC and UMC as part of the code development process employed by IAPMO.

March 31, 2025

IAPMO makes the 2025 Uniform Plumbing Code and Uniform Mechanical Code technical committee meeting monographs available online.

South Dakota updates plumbing code from 2015 edition

Bill receives a combined bicameral vote of 102 yeas and two nays.

March 21, 2025

South Dakota Gov. Larry Rhoden signs into law Senate Bill 25, updating the state’s plumbing code to the 2024 Uniform Plumbing Code.

IAPMO seeks USHGC Task Group Members

November 7, 2024

The deadline to apply is Dec. 6.

IAPMO extends application deadline for UPC and UMC Task Group Members

July 1, 2024

The deadline to apply has been extended to July 12.

U.S. Government officially recognizes Uniform Plumbing Code

June 12, 2024

The UPC is included in the 2024 P100 as part of Appendix B, which acknowledges recognized codes.

Guard on Compliance | Misty Guard

Dissecting IAPMO’s proposed code change monographs

The UPC and UMC received over 650 code change proposals.

Misty Guard

June 3, 2024

The International Association of Plumbing and Mechanical Officials' (IAPMO) monographs of proposals for modifications to the Uniform Plumbing Code (UPC) and Uniform Mechanical Code (UMC).

2024 IAPMO Solar, Hydronics and Geothermal; Swimming Pool, Spa and Hot Tub Codes now available

May 17, 2024

The 2024 USHGC addresses the latest provisions and technology paving the road to zero net energy and for the safe installation of solar, hydronics and geothermal energy systems.

IAPMO code change monographs now available

April 8, 2024

The Technical Committee Meeting Monographs contain every code change proposal submitted for the 2027 editions of the UPC and UMC as part of the ANSI-accredited consensus code development process employed by IAPMO.