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The ANDERSON METALS 754044-04 is a lead-free brass flared tube union designed for use in copper tubing systems that require a three-way flared connection. This fitting uses a 45-degree flare angle and features flare-by-flare-by-flare end connections, making it a reliable choice for joining or branching refrigerant, fuel gas, or hydraulic lines where a union-style disconnect is needed. Rated at 1,400 psi maximum working pressure for both static and dynamic loads, this union is built for demanding service environments. Its lead-free brass construction meets current potable water and plumbing material standards. The 1/4-inch tube outside diameter sizing makes it a common fit for light-duty residential and light commercial applications.
This fitting is suited for use in HVAC refrigerant piping, fuel gas distribution, compressed air, and other fluid systems that use 1/4-inch OD copper or compatible tubing with 45-degree flare ends. It is typically installed by licensed HVAC technicians, plumbers, or gas fitters working on systems where a removable, leak-tight union connection is required between three lines. The flare union design allows for field disassembly without cutting tubing, which is useful in service and maintenance scenarios.
Designed as an OEM-style replacement or new-installation fitting for systems using 1/4-inch OD copper tubing with 45-degree flared ends.
This fitting is installed by licensed HVAC technicians, plumbers, or gas fitters. Always shut off the system and depressurize the line before disassembling or connecting flare fittings. Use a properly sized flaring tool to produce a clean, even 45-degree flare on the tubing end before assembly. Inspect flare seats for damage or debris prior to tightening to prevent leaks.
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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