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The PARKER A6FC6-MG is a push-to-connect tube-to-pipe connector fitting designed for quick, tool-free tube insertion in fluid transfer and pneumatic plumbing systems. Built from polyoxymethylene (POM), this fitting handles pressures up to 300 psi and accepts 3/8 inch OD tubing on the push-to-connect end with a 3/8 inch NPTF male pipe thread on the other. The tan-colored POM construction resists moisture and many common chemicals, making it a reliable choice for compressed air, water, and light fluid service lines in both residential and light commercial applications.
This fitting is suited for use in HVAC equipment, pneumatic control lines, water treatment systems, and similar plumbing assemblies where fast, leak-resistant tube connections are needed. The push-to-connect design allows technicians to complete connections quickly during equipment installation or repair without specialized crimping or flaring tools. Its NPTF thread form provides a pressure-tight seal with standard pipe thread ports found on valves, manifolds, and equipment fittings.
Designed as an OEM-style replacement or direct-fit connector for systems using 3/8 inch OD tubing with 3/8 inch NPTF pipe thread ports. Suitable for compressed air, water, and compatible light fluid service applications within the 300 psi pressure rating of the fitting.
Installation is typically performed by licensed plumbers, HVAC technicians, or pneumatic system technicians. Shut off and depressurize the system completely before removing or installing any push-to-connect fitting. Ensure the tube end is cut cleanly and squarely with no burrs before inserting into the fitting collar to achieve a proper seal. Apply thread sealant tape or compound to the NPTF threads as required by local plumbing codes, and verify the connection is fully pressurized and leak-free before returning the system to service.
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