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NYC Mechanical Code

§ 1107.5.4 — § 1107.5.4

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What is NYC MC § 1107.5.4?

Quick Answer

This section mandates that copper tubing joints in refrigerating systems using specific refrigerants must be brazed rather than soldered. The brazing must comply with ASME Boiler and Pressure Vessel Code or American Welding Society standards. Applies to building owners using these refrigerating systems.

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

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1107.5.4 Copper tubing joints.

MC § 1107.5.4

Copper tubing joints used in refrigerating systems containing Group A2, A3, B1, B2 or B3 refrigerants shall be brazed. Soldered joints shall not be used in such refrigerating systems. Brazed joints shall be made in accordance with ASME Boiler and Pressure Vessel Code, Section IX Welding and Brazing Qualifications or in accordance with American Welding Society AWS B2.2 Standard for Brazing Procedure and Performance Qualification.

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