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The LEGEND VALVE 312-304 is a 3/4-inch galvanized insert adapter fitting used to join barbed insert fittings to threaded pipe connections in plumbing and fluid-handling systems. This adapter provides a secure mechanical transition between flexible tubing and rigid threaded pipe, making it a standard component in water distribution, irrigation, and similar low-pressure piping assemblies. The galvanized finish offers corrosion resistance suitable for general-purpose applications. Installation is performed by licensed plumbers and experienced pipefitters working on residential and light commercial systems.
This insert adapter is sized at 3/4 inch and is intended for use in systems that require a reliable connection between barbed insert fittings and threaded pipe ends. Typical install scenarios include potable water lines, irrigation headers, and general fluid distribution where flexible tubing meets a threaded fitting or manifold. The adapter is suited for both new construction and retrofit work where a transition fitting is needed.
Designed as an OEM-style replacement or direct-fit component for 3/4-inch insert-to-threaded adapter applications in residential and light commercial plumbing systems.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off the water supply and depressurize the line before removing or installing any fittings. Use appropriate thread sealant or PTFE tape on threaded connections as required by local code. Ensure the barbed insert end is fully seated into the tubing before securing with a clamp or crimp ring.
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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