Content Description
The 2024 edition of the Uniform Plumbing Code (UPC®) represents the most current approaches in the plumbing field. It is the eighth edition developed under the ANSI Consensus process is designated as an American National Standards by the American National Standards Institute (ANSI). Contributions to the content of this code were made by every segment of the built industry, including such diverse interests as consumers, enforcing authorities, installers/maintainers, labor, manufacturers, research/standards/testing laboratories, special experts and users.
The UPC is designed to provide consumers with safe and sanitary plumbing systems while, at the same time, allowing latitude for innovation and new technologies. Key changes to the 2024 UPC include:
Significant changes to the UPC include:
New provisions for tileable shower receptors and kits
Provision for temperature-actuated, flow reduction devices for individual fittings
New provisions for all-gender facilities, including fixture count, privacy compartments, and partitions
New requirements for water supply and distribution manifolds
Updated provisions for hot-water recirculating systems
New provisions for private well water tanks
Updated provisions for appliance condensate drains when serving more than one appliance and connecting to a common indirect waste pipe
Updated minimum water quality provisions for onsite treated nonpotable water systems, nonpotable water devices and systems, for harvested rainwater systems
Update water supply fixture unit (WSFU) and drainage fixture unit (DFU) values for bathroom groups in Appendix C;
New Appendix O providing minimum non-sewered sanitation systems
New Appendix P providing minimum qualifications for inspectors, examiners, service technicians, installers, and administrators relating to systems addressed in the UPC
New Appendix Q addressing plumbing requirements for indoor horticultural facilities
New Appendix R providing minimum plumbing system requirements for tiny houses
New Appendix S with provisions pertaining to onsite stormwater treatment systems
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About IAPMO
The International Association of Plumbing & Mechanical Officialsis (IAPMO)the only Plumbing & Mechanical Code writing organization that is recognized worldwide for codes that are developed by the industry for the industry. IAPMO is a non-profit membership based organization that specializes in developing codes that govern the Plumbing and Mechanical Industry since 1926. The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for more than eighty five years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world. As a membership-based association, IAPMO is proud to utilize an open consensus process in the development of our flagship Uniform Plumbing Code® and Uniform Mechanical Code®. These codes are established through scientific research, debate, and analysis, strengthening our position at the forefront of the plumbing and mechanical industries. The IAPMO Group is a complete service organization, providing code development assistance, industry-leading education, plumbing and mechanical product testing and certification, building product evaluation and a manufacturer-preferred quality assurance program. Each component of the IAPMO Group works toward playing an integral part in protecting the health of people everywhere.
