Description
2024 International Plumbing Code (IPC)
The 2024 International Plumbing Code, published by the International Code Council, sets the minimum requirements for plumbing systems in new and existing buildings. It covers water supply and distribution, sanitary drainage and venting, and it is the standard plumbers, inspectors and engineers use to check that installations meet current health and safety rules.
This edition moves to a single column layout with wider margins and adds QR codes next to sections that changed, so a reader can jump straight to a summary of what is new instead of comparing the whole code line by line.
Underground piping and testing methods
Section 306.2.4 now requires tracer wire on buried non-metallic piping, so the line can be located later without digging it up. The code also adds vacuum testing as an approved method for primary drainage and vent system tests, an alternative to water or air pressure testing, and it updates the exceptions for using primer on solvent-cemented joints in certain non-pressure applications.
Roof drains and backflow protection
The 2024 edition clarifies installation and testing requirements for roof drainage systems and sets new backflow protection standards for chemical dispensers connected to the water supply.
What is new in this edition
- Tracer wire required for underground non-metallic piping (Section 306.2.4)
- Vacuum testing permitted for primary drainage and vent system testing
- Updated primer exceptions for solvent-cemented joints in non-pressure applications
- Single-column format with QR codes linking to code changes
- Clarified roof drain installation and testing requirements
- New backflow protection standards for chemical dispensers
Book details
- Title: 2024 International Plumbing Code (IPC)
- Edition: 2024
- Publisher: International Code Council (ICC)
- ISBN-13: 9781959851738
Questions buyers ask
Who is the 2024 International Plumbing Code written for?
Plumbers, inspectors and engineers use it to check that plumbing installations in new and existing buildings meet current health and safety requirements.
What changed in the 2024 edition?
The main technical changes are the tracer wire requirement for buried non-metallic piping, the new allowance for vacuum testing of drainage and vent systems, and new backflow protection rules for chemical dispensers.
Can vacuum testing replace a water or air pressure test?
Yes. The 2024 edition permits vacuum testing as an approved method for primary drainage and vent system tests, as an alternative to water or air pressure testing.
Is tracer wire required for every underground pipe?
It is required for buried non-metallic piping under Section 306.2.4, so the line can be located later without digging.
What is different about how this edition is laid out?
It uses a single-column layout with wider margins and QR codes next to sections that changed, linking to a summary of the update.
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