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NYC Mechanical Code

§ 1105.9.1 — § 1105.9.1

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What is NYC MC § 1105.9.1?

Quick Answer

This section mandates that each high- and intermediate-pressure zone in a refrigerating system must have a single automatic valve that provides a crossover connection to a lower pressure zone. The automatic crossover valves are required to comply with specific subsections. Applies to building owners operating refrigerating systems.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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1105.9.1 Automatic crossover valves.

MC § 1105.9.1

Each high- and intermediate-pressure zone in a refrigerating system shall be provided with a single automatic valve providing a crossover connection to a lower pressure zone. Such automatic crossover valves shall comply with Sections 1105.9.1.1 through 1105.9.1.3.

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