933.3 Self-Contained Mechanical Refrigeration Sys-tems — 2025 California Mechanical Code

California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-25 · California

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Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 933.3 · Effective January 1, 2026 · Official source: Building Standards Commission

tems. Self-contained mechanical refrigeration systems for use in walk-in coolers shall comply with UL 427 or UL 60335-2-89 and shall be installed in accordance with the man ufacturer’s installation instructions.

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▸Contents — California Mechanical Code (Title 24, Part 4)

California Mechanical Code (Title 24, Part 4)

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