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The ANDERSON METALS 754048-0404 is a lead-free brass flared tube connector designed for use in pressurized fluid and gas line assemblies. It transitions a 1/4-inch OD flared tube to a 1/4-inch male NPT threaded connection using a 45-degree flare seat. The fitting is manufactured from lead-free brass, making it suitable for potable water, refrigeration, and HVAC applications where material compliance is required. With a rated working pressure of 1000 psi both static and dynamic, this connector handles demanding service conditions. Plumbers, HVAC technicians, and refrigeration mechanics install this type of fitting when joining copper or compatible tubing to threaded pipe or equipment ports.
This connector is used in residential and light commercial plumbing, HVAC refrigerant piping, and gas line assemblies where a 45-degree flare-to-male-NPT transition is required. The 1/4-inch tube OD and 1/4-inch NPT thread size are common in appliance gas supply lines, refrigeration circuits, and small-bore hydraulic systems. It is sold individually, making it practical for single-point repairs or small-quantity service calls.
Designed as an OEM-style replacement or new-installation fitting for systems using 1/4-inch OD flared tubing with 1/4-inch NPT threaded connections, including residential and light commercial plumbing, HVAC, and refrigeration applications.
This fitting is installed by licensed plumbers, HVAC technicians, or refrigeration mechanics. Shut off and depressurize the line completely before removing or installing any flare fitting. Ensure the tube end is properly flared to the correct 45-degree angle using a calibrated flaring tool before assembly — an improperly flared seat will not seal. Thread the MNPT end into the receiving port by hand first, then tighten with an appropriately sized wrench; do not overtighten brass fittings. Follow applicable codes including IPC, IFGC, or relevant refrigeration standards for your jurisdiction.
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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