2024 Uniform Plumbing Code Soft Cover W/Tabs IAPMO/ANSI UPC 1

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 and is designated as an American National Standard by the American National Standards Institute (ANSI). Contributions to the code were made by every segment of the built industry, including consumers, enforcing authorities, installers and maintainers, labor organizations, manufacturers, research, standards and testing laboratories, special experts, and users.

The UPC is designed to provide consumers with safe and sanitary plumbing systems while allowing latitude for innovation and new technologies.

Significant changes in the 2024 UPC include:

• New provisions for tileable shower receptors and kits

• Provisions for temperature-actuated, flow-reduction devices for individual fittings

• New requirements for all-gender facilities, including fixture counts, 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 requirements for appliance condensate drains 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, and harvested rainwater systems

• Updated water supply fixture unit (WSFU) and drainage fixture unit (DFU) values for bathroom groups in Appendix C

• New Appendix O: Minimum requirements for non-sewered sanitation systems

• New Appendix P: Minimum qualifications for inspectors, examiners, service technicians, installers, and administrators for systems addressed in the UPC

• New Appendix Q: Plumbing requirements for indoor horticultural facilities

• New Appendix R: Minimum plumbing system requirements for tiny houses