Bedpan steamers.
Municipal Code of Chicago § 18-29-713.11.1
in effect18-29-713.11.1 Bedpan steamers.
The minimum size of a sterilizer vent serving a bedpan steamer shall be 1 1/2 inches (38 mm) in diameter. Multiple installations shall be sized in accordance with Table 18-29-713.11.1.
Table 18-29-713.11.1
Stack Sizes for Bedpan Steamers and Boiling Type Sterilizers (Number of Connections of Various Sizes Permitted to Various-Sized Sterilizer Vent Stacks)
Stack Size (inches) | Connection Size
1 1/2" | | 2"
Stack Size (inches) | Connection Size
1 1/2" | | 2"
1 1/2 a | 1 | or | 0
2 a | 2 | or | 1
2 b | 1 | or | 1
3 a | 4 | or | 2
3 b | 2 | or | 2
4 a | 8 | or | 4
4 b | 4 | or | 4
For SI: 1 inch = 25.4 mm.
a. Total of each size.
b. Combination of sizes.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692288Fetched: 10/24/2026