Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
1309.13 Oxygen Concentration Monitor — 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) § 1309.13 · Effective January 1, 2026 · Official source: Building Standards Commission
The oxygen concentrator supply unit shall be provided with an oxygen concentration monitor with the following characteristics:
(1) The monitor shall be capable of monitoring 99 percent oxygen concentration with 1 percent accuracy.
(2) The monitor shall continuously display the oxygen concentration and shall activate local alarm and master alarms per NFPA 99 when a concentration lower than 91 percent is observed.
(3) The monitor shall continuously display the oxygen concentration.
(4) It shall be permitted to insert the monitor into the pipeline without a demand check. [NFPA 99:5.1.3.9.1.13]
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