Proposed Changes by Code Provision—National Plumbing Code 2025

A hyperlinked number (e.g., Footnote 1) at the end of a proposed change link leads to a supporting document for that proposed change.

List of Supporting Documents

National Plumbing Code 2025 (Proposed changes to 12 provisions)

Division A

(Proposed changes to 1 provision)

Part 1 - Compliance

(Proposed changes to 1 provision)
1.2.1.1. Compliance with this Code

Division B

(Proposed changes to 10 provisions)

Part 1 - General

(Proposed changes to 1 provision)
1.3.1.2. Applicable Editions

Part 2 - Plumbing Systems

(Proposed changes to 9 provisions)
2.2.2. Plumbing Fixtures
2.2.2.2. Conformance to Standards
2.2.7. Non-Ferrous Pipe and Fittings
2.2.10.5. Saddle Hubs
2.3.4.5. Support for Horizontal Piping
2.4.2.1. Connections to Sanitary Drainage Systems
2.4.7.1. Cleanouts for Drainage Systems
2.4.7.2. Size and Spacing of Cleanouts
2.6.3.1. Design, Fabrication and Installation

Division C

(Proposed changes to 1 provision)

Part 2 - Administrative Provisions

(Proposed changes to 1 provision)
2.2.2. Plumbing Drawings and Related Documents
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