TITLE 77: PUBLIC HEALTH
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.1720 WATER CLOSETS
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Section 890.1720  Water Closets

 

a)         All water closets shall either be of stainless steel (Type 304) construction, including framework, reinforcing and interior piping, or be vitreous china complying with ASME/ANSI A 112.19.2M-1990.

 

b)         If stainless steel water closets are used, they shall comply with the following:  

 

1)         The bowl and flushing rim shall not be less than 14 gauge.

 

2)         The water closet shall have a minimum of a 3 inch diameter, fully enclosed stainless steel P-trap and shall pass a 2⅛ inch diameter ball.

 

3)         All welds shall be ground smooth, and exterior surfaces polished.

 

4)         Integral contoured seats that are self-draining and crevice-free shall be a part of the water closet.

 

c)         All water closets shall have push button flush valves.

 

(Source:  Amended at 28 Ill. Reg. 4215, effective February 18, 2004)