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APPENDIX AN VENTING METHODS

State amendments integrated3 filed sections2021 editionEffective January 1, 2023
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APPENDIX AN
VENTING METHODS

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

SECTION AN101
VENTING METHODS

AN101.1 General.

Venting methods are illustrated inFigures AN101.1(1) through AN101.1(7).

FigN1.jpg

For SI: 1 inch = 25.4 mm.

FIGURE AN101.1(1)

TYPICAL SINGLE-BATH WET-VENT ARRANGEMENTS

FigN2.jpg

For SI: 1 inch = 25.4 mm.

FIGURE AN101.1(2)

TYPICAL DOUBLE-BATH WET-VENT ARRANGEMENTS

FigN3.jpg

For SI: 1 inch = 25.4 mm.

FIGURE AN101.1(3)

TYPICAL HORIZONTAL WET VENTING

FigN4.jpg

For SI: 1 inch = 25.4 mm.

FIGURE AN101.1(4)

TYPICAL METHODS OF WET VENTING

FigN5.jpg

For SI: 1 inch = 25.4 mm.

FIGURE AN101.1(5)

SINGLE-STACK SYSTEM FOR A TWO-STORY DWELLING

FigN6.jpg

For SI: 1 inch = 25.4 mm.

FIGURE AN101.1(6)

WASTE STACK VENTING

FigN7.jpg

For SI: 1 inch = 25.4 mm.

FIGURE AN101.1(7)

CIRCUIT VENT WITH ADDITIONAL NONCIRCUIT-VENTED BRANCH

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Record South Carolina · 2021 IRC · APPENDIX AN VENTING METHODS

Effective January 1, 2023 · source captured Aug 30, 2026

Transcript SHA-256 a9723df4f701621f5ce3f364e93960547b85f1aa7d703f24ddcbbb6cc3f9603f · text SHA-256 2bd0ab01b0f77c3b73161a91f2a49c61e3ab48081b448fedc0715daa3e072510

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