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The HAILIANG AMERICA HL15-165-0090 is a 3/4-inch copper coupling with C x C (copper sweat) connections, designed for joining copper tubing in plumbing and mechanical piping systems. Constructed entirely of copper, this coupling provides a reliable, corrosion-resistant joint when soldered using standard sweat-fitting techniques. It is sized for 3/4-inch tubing and sold as a single unit. Licensed plumbers and pipefitters install this fitting in residential and light commercial applications where watertight, durable copper connections are required.
This coupling is suited for potable water supply lines, hydronic heating distribution piping, and general mechanical plumbing systems where copper tubing is the specified material. Its C x C end configuration accepts standard 3/4-inch copper tube on both ends, making it a straightforward in-line joining fitting. It is appropriate for both new construction rough-in work and repair or retrofit installations.
Designed as an OEM-style replacement or standard plumbing component for use with 3/4-inch copper tubing in residential and commercial piping systems.
Installation is performed by a licensed plumber or qualified pipefitter following applicable IPC and local plumbing code requirements. Shut off the water supply and fully drain the line before cutting or fitting. Both the tube end and fitting socket must be cleaned, deburred, and fluxed before applying heat and solder. Avoid overheating the fitting, as excessive heat can damage the flux and result in a void in the solder joint.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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