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 F
Fixtures
Not Listed in Table E
Fixture Drain or Trap Size
Drainage Fixture Unit Valve
(D.F.U.)
1¼ inches and smaller
1
1½ inches
2
2 inches
3
2½ inches
4
3 inches
5
4 inches
6