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The NIBCO PCH6042 is a press-by-male-thread adapter fitting designed for copper tubing systems in residential and commercial gas and compressed air applications. It uses a press-style connection that eliminates open flame during assembly, making it suitable for installations where torch work is restricted or impractical. The fitting is also rated for underground installation. A distinctive "N" witness mark appears on the fitting once the connection has been properly crimped, providing a visual confirmation of a complete joint. Licensed plumbing and mechanical contractors are the primary installers of this fitting type.
The PCH6042 is suited for use in residential and commercial systems carrying gas or compressed air through seamless copper water tube. The press-style end accepts standard pressing jaws and tools, while the male-threaded end connects to pipe, valves, or equipment with a compatible female-threaded port. Underground installation is permitted, expanding its usefulness in a range of rough-in and retrofit scenarios.
Designed for use with seamless copper water tube in press-connect piping systems for gas and compressed air service. Compatible with standard pressing tools, jaws, and chains designed for copper press fittings.
Installation should be performed by a licensed plumbing or mechanical contractor in accordance with applicable local codes and manufacturer technical data sheets. Shut off and depressurize the system completely before making any connections. Use only pressing tools and jaw sets rated for this fitting series to ensure a proper crimp. Verify the "N" witness mark is fully visible on each connection before returning the system to service.
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