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 2026-09-25 · California
CBSC: official editions, supplements and errata
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.
288 2025 CALIFORNIA PLUMBING CODE
HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
(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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