1213.2 Operating Steam Controls — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-10-19 · 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 Mechanical Code (Title 24, Part 4) § 1213.2 · Effective January 1, 2026 · Official source: Building Standards Commission
A steam heat source or system of commonly connected steam heat sources shall be protected by a pressure-actuated control to shut off the fuel supply where the system pressure reaches a pre-set operating pressure. 1213.2.1 Water-Level Controls. A primary water-level control shall be installed on a steam heat source to control
the water level in the heat source. The control shall be
installed in accordance with the manufacturer’s installation
instructions.
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