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The ANDERSON METALS 754039-08 is a lead-free brass flared tube plug designed to seal 1/2-inch OD tubing with a 45-degree flare connection. It provides a reliable, pressure-rated termination point for refrigerant lines, fuel gas tubing, and other fluid-carrying systems where a flare-end cap is required. Rated to 750 psi for both static and dynamic working pressure, this plug is built for demanding service environments. Its lead-free brass construction meets current potable-water and plumbing code requirements. Licensed plumbers, HVAC technicians, and gas fitters install this fitting during system commissioning, line isolation, and pressure testing procedures.
This flared tube plug is suited for residential and light commercial applications wherever 1/2-inch OD tubing is run with 45-degree SAE flare fittings. Common install scenarios include capping unused branch lines in refrigeration systems, plugging service ports during pressure testing, and sealing gas supply tubing during system modification. The 45-degree flare end mates with standard SAE flare fittings used throughout HVAC, refrigeration, and plumbing installations.
Designed as an OEM-style replacement or service fitting for systems using 1/2-inch OD tubing with 45-degree SAE flare connections, including refrigerant, fuel gas, and water supply lines.
Installation is performed by licensed plumbers, HVAC technicians, or gas fitters depending on the system type. Always depressurize and isolate the tubing line before installing or removing any flare fitting. Use two wrenches when tightening to prevent tubing from twisting, and inspect the flare seat for damage or debris before assembly. Follow applicable codes such as IFGC, IPC, or ASHRAE 15 for the specific system being serviced.
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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