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NYC Mechanical Code

§ 1107.5.3 — § 1107.5.3

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What is NYC MC § 1107.5.3?

Quick Answer

This section specifies the requirements for copper tube used in refrigerant piping, mandating seamless copper tube of Type ACR that complies with ASTM B 280. It also outlines conditions under which Type K or L copper tubes may be used and restrictions on the sizes of annealed temper copper tubes. Applies to building owners installing refrigerant piping systems.

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

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1107.5.3 Copper tube.

MC § 1107.5.3

Copper tube used for refrigerant piping erected on the premises shall be seamless copper tube of Type ACR (hard or annealed) complying with ASTM B 280. Where approved, copper tube for refrigerant piping erected on the premises shall be seamless copper tube of Type K or L (drawn or annealed) in accordance with ASTM B 88. Annealed temper copper tube shall not be used in sizes larger than a 2-inch (50.8 mm) nominal size. Mechanical joints shall not be used on annealed temper copper tube in sizes larger than 7/8-inch (22.2 mm) OD size.

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