Proposed Changes by Code Provision—National Plumbing Code 2020

National Plumbing Code 2020 (Proposed changes to 17 provisions)

Division A

(Proposed changes to 2 provisions)

Part 1 - Compliance

(Proposed changes to 2 provisions) Defined Terms

Division B

(Proposed changes to 15 provisions)

Part 2 - Plumbing Systems

(Proposed changes to 15 provisions)
2.2.2. Fixtures
2.2.5. Non-Metallic Pipe and Fittings Mechanical Couplings Support for Horizontal Piping General Connections to Sanitary Drainage Systems Direct Connections
2.4.3. Location of Fixtures Neutralizing and Dilution Tanks
2.4.5. Traps
2.4.6. Arrangement of Drainage Piping
2.4.9. Size of Drainage Pipes No Reduction in Size Hydraulic Loads from Roofs or Paved Surfaces Flushing Devices
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