77 Ill. Adm. Code 890.APPENDIX A
A Plumbing Materials, Equipment, Use Restrictions and Applicable Standards
Section 885
Section 890.APPENDIX A
Plumbing
Materials, Equipment, Use Restrictions and Applicable Standards
Section 890.TABLE I
Allowed
Distance from Fixture Trap to Vent
Size
of Fixture Drains (Inches)
Maximum
Allowed Distance from Trap to Vent
1¼
2
ft. 6 in.
1½
3 ft. 6 in.
2
4 ft. 0 in.
3
5 ft. 0 in.
4
and larger
6 ft. 0 in.