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The SHARKBITE UP514A5 is a 1/2 inch poly PEX end plug with an alloy barb fitting, sold in a 5-pack. It is designed to terminate and cap off open PEX tubing lines in residential and light commercial plumbing systems. The plug seals the end of a PEX run cleanly and securely, preventing flow and pressure loss in active water distribution or hydronic heating systems. Its barb-style construction keeps installation straightforward and eliminates the need for specialized tooling beyond a standard clamp or crimp tool already in most plumbers' kits.
This end plug is suited for potable water distribution systems and hydronic heating applications. It works with both stainless steel clamp systems and copper crimp ring systems, giving installers flexibility depending on the connection standard already in use on the job. It is a practical, low-cost solution for capping off dead-end PEX lines, service stubs, or temporarily inactive branch runs during rough-in or phased construction.
Compatible with 1/2 inch PEX tubing in potable water distribution and hydronic heating systems. Works with both stainless steel clamp systems and copper crimp ring systems.
Installation is performed by licensed plumbers or qualified pipefitters. Shut off the water supply and depressurize the line before fitting the end plug onto the PEX tubing. Use a properly sized stainless steel clamp tool or copper crimp ring tool to secure the fitting per the manufacturer and local code requirements. Reference IPC or applicable local plumbing code for approved termination methods on potable water and hydronic lines.
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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