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Polybutylene joints.

Municipal Code of Chicago § 18-28-1209.3.3
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18-28-1209.3.3 Polybutylene joints. Polybutylene pipe and tubing shall be installed in continuous lengths or shall be joined by heat fusion in accordance with Section 18-28-1203.10.1.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2689131Fetched: 10/24/2026

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18-28-1209.3.3 | Corpus