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The RWC UC058LFA is a lead-free DZR brass PEX barb coupling designed to join PEX tubing in residential and light commercial plumbing systems. With a 3/4-inch barb inlet and a 1/2-inch barb outlet, this fitting delivers a reliable, low-cost connection without the need for specialty push-to-connect tooling. The DZR (dezincification-resistant) brass construction resists corrosion in aggressive water conditions. It meets NSF/ANSI 61 and NSF 372 standards for lead-free potable water contact, and complies with ASTM F1807 dimensional requirements. Licensed plumbers and pipefitters install this fitting where PEX distribution lines reduce from 3/4 inch to 1/2 inch supply runs.
This coupling is rated for potable water distribution and hydronic heating applications. It is compatible with both stainless steel clamp ring systems and copper crimp ring systems, giving installers flexibility to work within their preferred securing method. Clamp rings and crimp rings are each sold separately. The fitting is sold individually, with a minimum order quantity of 6 units.
Designed for use with PEX tubing in potable water distribution and hydronic heating systems. Accepts both stainless steel clamp ring and copper crimp ring securing methods (each sold separately).
Installation is performed by a licensed plumber following applicable IPC and local plumbing code requirements. Shut off the water supply and depressurize the line before cutting and fitting. Ensure PEX tubing ends are cut square and free of burrs before seating the barb fully. Use a calibrated clamp ring tool or crimp ring tool appropriate to the securing system being used.
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