An Air Conditioner Coupling Nut is used to connect the refrigerant lines between the evaporator and condenser coils in an air conditioning system. It is made of steel and has a flare nut design that creates a tight seal against the refrigerant lines.Attributes: • Manufactured to precise specifications and are built for durability, and reliability• Helps to prevent vibration between the refrigerant linesApplications:An Air Conditioner Coupling Nut is used to maintain the refrigerant pressure in the air conditioning system.