Proposed Changes by Subject—National Plumbing Code 2020

Div.A 1.4.1.2. Defined Terms

• 1690 - Condensate Drainage
• 1707 - Macerating Toilet System

Div.B 2.2.5. Non-Metallic Pipe and Fittings

• 1692 - Small Diameter Piping in Condensate Drainage Systems

Div.B 2.4.1.1. General

• 1692 - Small Diameter Piping in Condensate Drainage Systems

Div.B 2.4.2.1. Connections to Sanitary Drainage Systems

• 1692 - Small Diameter Piping in Condensate Drainage Systems

Div.B 2.4.2.3. Direct Connections

• 1692 - Small Diameter Piping in Condensate Drainage Systems

Div.B 2.4.3. Location of Fixtures

• 1692 - Small Diameter Piping in Condensate Drainage Systems

Div.B 2.4.4.4. Neutralizing and Dilution Tanks

• 1727 - Neutralization Tanks

Div.B 2.4.5. Traps

• 1692 - Small Diameter Piping in Condensate Drainage Systems

Div.B 2.4.6. Arrangement of Drainage Piping

• 1790 - Emergency Roof Drainage

Div.B 2.4.9. Size of Drainage Pipes

• 1692 - Small Diameter Piping in Condensate Drainage Systems

Div.B 2.4.9.1. No Reduction in Size

• 1370 - Size of Storm Drainage Pipes

Div.B 2.4.10.4. Hydraulic Loads from Roofs or Paved Surfaces

• 1790 - Emergency Roof Drainage

Div.B 2.2.2. Fixtures

• 992 - Standard for Wall Carriers for Water Closets

Div.B 2.2.10.4. Mechanical Couplings

• 1729 - Mechanical Couplings

Div.B 2.3.4.5. Support for Horizontal Piping

• 1693 - Support for Nominally Horizontal Piping

Div.B 2.6.1.6. Flushing Devices

• 2024 - Clarification of Maximum Water Usage for Dual-Flush Water Closets