Watts A-319 Ander-Lign Brass Compression Coupling

The Watts A-319 Ander-Lign Brass Compression Coupling is a 5/8 in. OD x 1/2 in. FIP brass compression adapter with insert designed to connect copper, brass, aluminum, and plastic tubing to female pipe thread connections in water, air, oil, and fluid transfer systems. The Ander-Lign design provides a 360° compression seal around the tubing for a secure connection, while the included brass insert offers tubing support and improved connection integrity. Specifications include MPN A-319, 5/8 in. OD compression, 1/2 in. FIP, 13/16-18 compression thread, brass material, inline tubing-to-threaded connection, and compression x female NPT fittings with insert included. It supports service media such as water, air, oil, grease, vacuum, and compatible fluids, and is rated for -65°F to 250°F with corrosion resistance. Common applications span plumbing systems, water treatment equipment, beverage dispensing installations, ice makers, irrigation networks, HVAC equipment, instrumentation lines, and industrial fluid handling, and it is commonly used by maintenance technicians, plumbing contractors, OEMs, and system integrators for repairs, tubing-to-pipe transitions, retrofit projects, and new installations as an OEM replacement part.