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

For SI: 1 inch = 25.4 mm.
FIGURE AN101.1(1)
TYPICAL SINGLE-BATH WET-VENT ARRANGEMENTS

For SI: 1 inch = 25.4 mm.
FIGURE AN101.1(2)
TYPICAL DOUBLE-BATH WET-VENT ARRANGEMENTS

For SI: 1 inch = 25.4 mm.
FIGURE AN101.1(3)
TYPICAL HORIZONTAL WET VENTING

For SI: 1 inch = 25.4 mm.
FIGURE AN101.1(4)
TYPICAL METHODS OF WET VENTING

For SI: 1 inch = 25.4 mm.
FIGURE AN101.1(5)
SINGLE-STACK SYSTEM FOR A TWO-STORY DWELLING

For SI: 1 inch = 25.4 mm.
FIGURE AN101.1(6)
WASTE STACK VENTING

For SI: 1 inch = 25.4 mm.
FIGURE AN101.1(7)
CIRCUIT VENT WITH ADDITIONAL NONCIRCUIT-VENTED BRANCH