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The SHARKBITE/CASH ACME 23103CP25 is a 3/4 inch copper crimp ring sold in a 25-pack, designed for use with PEX tubing connections in residential and commercial plumbing systems. Copper crimp rings are installed over PEX fittings using a crimp tool to form a secure, leak-resistant joint without soldering. Each ring in this pack is sized for 3/4 inch PEX tubing and meets the demands of licensed plumbers working on potable water supply lines, radiant heating systems, and general hydronic piping. The copper material provides reliable compression and long-term corrosion resistance in wet environments.
This 25-pack is suited for job-site use where multiple PEX connections are needed in a single installation. Common applications include residential water supply rough-in, manifold-to-fixture runs, and radiant floor heating loops. The 3/4 inch size is a standard main-line and branch-line diameter in most residential plumbing layouts. Plumbers and mechanical contractors running PEX systems will use these rings with standard barb fittings and an ASTM F1807-compliant crimp tool.
Designed as an OEM-style crimp ring for use with 3/4 inch PEX tubing and barb-style insert fittings installed via the ASTM F1807 copper crimp method.
Installation is performed by licensed plumbers using an ASTM F1807-compliant crimp tool and a go/no-go gauge to verify proper crimp diameter after each connection. Shut off the water supply and depressurize the line before cutting into an existing system. Follow all applicable local plumbing codes and IPC guidelines for PEX installation, including minimum bend radius and support spacing requirements. Do not reuse a crimp ring once it has been crimped onto a fitting.
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