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The ANDERSON METALS 750064-02 is a lead-free brass compression tube union designed to join three compression-end tube connections at a single fitting body. It carries a 5/16-24 inch straight thread size and is rated for a maximum working pressure of 400 psi. This union is used in fluid-handling and pneumatic tubing systems where a reliable, leak-resistant joint is required without soldering or flaring. Licensed plumbers and HVAC technicians are the primary installers. The lead-free brass construction meets current potable-water material requirements, making it suitable for systems where water quality compliance is a consideration.
This compression tube union fits into residential and light commercial plumbing, HVAC refrigerant line accessories, and instrumentation tubing applications where three compression connections must be brought together at one point. It is suited for copper or compatible soft-metal tubing installations. The compression-by-compression-by-compression end configuration allows for tool-accessible tightening without specialty equipment, which makes it a practical choice for tight spaces or retrofit work on existing tubing runs.
Designed as an OEM-style replacement or new-installation fitting for compression tubing systems using 5/16-24 inch thread connections in plumbing and HVAC applications.
Installation should be performed by a licensed plumber or qualified HVAC technician in accordance with applicable IPC or local plumbing code requirements. Shut off and depressurize the supply line fully before disassembling any existing fittings or installing this union. Hand-tighten compression nuts first, then use a wrench to snug — do not overtighten, as excessive force can damage the compression ferrule and cause leaks. Inspect for leaks after restoring system pressure before returning the line to service.
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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