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The NDL INDUSTRIES W7014 is a 2-1/8 inch copper cap fitting used to terminate or seal the end of a copper tubing run. This standard cap is a sweat-type fitting suited for plumbing, HVAC, and refrigeration piping systems where a clean, pressure-rated closure is needed. Installation is performed by licensed plumbers and HVAC technicians working on copper pipe systems. The 2-1/8 inch connection size makes it appropriate for larger-diameter trunk lines and commercial or residential mechanical piping applications.
This copper cap fits 2-1/8 inch OD copper tubing and is used in applications requiring a sealed pipe end. Common scenarios include capping off unused branch lines, isolating sections of a piping system during repairs, or closing out a run during rough-in work. The fitting is sold in box quantities of 10, making it practical for contractors stocking inventory or completing multi-point installations in a single job.
Designed as an OEM-style replacement and standard-stock fitting for 2-1/8 inch OD copper tubing used in plumbing, HVAC, and refrigeration piping systems.
Installation is performed by a licensed plumber or HVAC technician using standard soldering equipment and flux appropriate for copper sweat fittings. Shut off and depressurize the piping system and purge any residual refrigerant or fluid before soldering. Follow all applicable local plumbing codes and IFGC or IPC guidelines for the specific system type. Allow the joint to cool completely before restoring system pressure.
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