Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
1319.1 Tubes for Medical Vacuum Systems — 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) § 1319.1 · Effective January 1, 2026 · Official source: Building Standards Commission
Piping for vacuum systems shall be constructed of any of the following:
(1) Hard-drawn seamless copper tube in accordance with the following:
(a) ASTM B88, copper tube (Type K, Type L, or Type M)
(b) ASTM B280, copper ACR tube
(c) ASTM B819, copper medical gas tubing (Type K or Type L)
(2) Stainless steel tube in accordance with the following:
(a) ASTM A269 TP304L or 316L
(b) ASTM A312 TP304L or 316L
HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
(c) ASTM A312 TP 304L/316L, Schedule 5S pipe, and ASTM A403 WP304L/316L, Schedule 5S fittings {NFPA 99:5.1.10.2.1}
1319.1.1 Where Not Required. If medical gas tube in accordance with ASTM B819, Standard Specification for Seamless Copper Tube for Medical Gas Systems, is used for vacuum piping, such special marking shall not be required. [NFPA 99:5.1.10.2.2.2]
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