ADOPTS WITH AMENDMENTS:

International Residential Code 2018 (IRC 2018)

Part I — Administrative

Part II — Definitions

Part III — Building Planning and Construction

Part IV — Energy Conservation

Part V — Mechanical

Part VI — Fuel Gas

Part VII — Plumbing

Part VIII — Electrical

Part IX — Referenced Standards

Heads up: There are no amended sections in this chapter.

Appendix N Venting Methods

AMENDMENT
This section has been amended at the state or city level.

This appendix is informative and is not part of the code. This appendix provides examples of various venting methods.


User note:


About this appendix: Venting for plumbing systems is often best understood using diagrams such as isometrics. Appendix N illustrates a variety of venting methods indicated in State Plumbing Code.

For SI: 1 inch = 25.4 mm.

FIGURE N1

TYPICAL SINGLE-BATH WET-VENT ARRANGEMENTS

For SI: 1 inch = 25.4 mm.

FIGURE N2

TYPICAL DOUBLE-BATH WET-VENT ARRANGEMENTS

For SI: 1 inch = 25.4 mm.

FIGURE N3

TYPICAL HORIZONTAL WET VENTING

For SI: 1 inch = 25.4 mm.

FIGURE N4

TYPICAL METHODS OF WET VENTING

For SI: 1 inch = 25.4 mm.

FIGURE N5

SINGLE STACK SYSTEM FOR A TWO-STORY DWELLING

For SI: 1 inch = 25.4 mm.

FIGURE N6

WASTE STACK VENTING

For SI: 1 inch = 25.4 mm.

FIGURE N7

CIRCUIT VENT WITH ADDITIONAL NONCIRCUIT-VENTED BRANCH

UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING