Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
1322.7 Prohibited Joints — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-23 · California
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Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) § 1322.7 · Effective January 1, 2026 · Official source: Building Standards Commission
The following joints shall be prohibited throughout medical gas and vacuum distribution pipeline systems:
(1) Flared and compression-type connections, including connections to station outlets and inlets, alarm devices, and other components.
(2) Other straight-threaded connections, including unions.
(3) Pipe-crimping tools used to permanently stop the flow of medical gas and vacuum piping.
(4) Removable and nonremovable push-fit fittings that employ a quick assembly push fit connector. [NFPA 99:5.1.10.10]
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