000Reliable 4-1/8 inch copper socket coupling designed for secure joining of major air conditioning line sets and industrial refrigeration piping. Forged from top-quality copper material

High-performance 5-1/8 inch copper socket coupling built for reliable joining of large HVAC copper tubing and fluid headers. Made from high-strength seamless copper, it delivers outstanding durability and long-term protection against environmental wear and internal oxidation. The accurate sizing allows for quick installation and robust brazed joints capable of withstanding high operating pressures. Perfect for maintaining clean and secure system boundaries in heavy cooling installations.