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Bypass valves.

Municipal Code of Chicago § 18-28-916.2.3.2
in effect
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18-28-916.2.3.2 Bypass valves. Where an integral bypass system is not provided as a part of the pool heater, a bypass line and valve shall be installed between the inlet and outlet piping for use in adjusting the flow of water through the heater.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688240Fetched: 10/24/2026

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18-28-916.2.3.2 | Corpus