Ill. Admin. Code tit. 77, pt. 890, subpt. M, app A, tbl. I

Current through Register Vol. 49, No. 2, January 10, 2025

Table I - Allowed Distance from Fixture Trap to Vent

Size of Fixture Drains (Inches)	Maximum Allowed Distance from Trap to Vent
11/4	2 ft. 6 in.
11/2	3 ft. 6 in.
2	4 ft. 0 in.
3	5 ft. 0 in.
4 and larger	6 ft. 0 in.

Ill. Admin. Code tit. 77, pt. 890, subpt. M, app A, tbl. I