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Plumbing code excerpt covers backflow and venting rules
The text outlines backflow prevention placement six inches above usage points, water service piping materials, shut off valves, sizing rules for water distribution and drainage, venting requirements including circuit and common vents, sump and ejector guidance, relief valves, and definitions for terms like backflow and air gap. It details installation, testing, and inspection expectations for plumbing systems.
MENTIONED IN THIS ARTICLE
American Gas Association
Underwriters’ Laboratories, Inc
Waalé