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The ANDERSON METALS 754046-0612 is a lead-free brass flare-to-female NPT connector used to join flared copper or aluminum tubing to threaded pipe in gas, refrigeration, and fluid-handling systems. It features a 45-degree flare seat on one end and a 3/4-inch FNPT thread on the other, accepting 3/8-inch tube OD. Rated at 1000 psi for both static and dynamic working pressure, this connector is built for demanding service conditions. The lead-free brass construction meets potable water and plumbing code requirements where applicable. Licensed plumbers, HVAC technicians, and refrigeration mechanics install this type of fitting as part of supply line and equipment connection work.
This connector is suited for residential and light commercial applications where a flared tube must transition to an NPT-threaded port. Typical uses include connecting copper refrigerant lines, fuel gas supply tubing, or water supply lines to valves, regulators, or equipment with female NPT inlets. The 45-degree flare angle conforms to SAE flare standards commonly used in HVAC, plumbing, and LP or natural gas piping assemblies.
Designed as a standard Flare x FNPT transition connector for systems using 3/8-inch OD tubing with a 45-degree SAE flare and a 3/4-inch NPT-threaded port. Confirm flare angle, tube OD, and thread size against your specific equipment before installation.
Installation should be performed by a licensed plumber, HVAC technician, or qualified refrigeration mechanic in accordance with applicable codes including the IPC or IFGC. Shut off and depressurize the system fully before disassembling any fittings or making new connections. Ensure the tube end is properly flared with a calibrated 45-degree flaring tool before seating it against the fitting. Do not overtighten the flare nut, as this can distort the flare seat and cause 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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