The Viega 713916 is a professional drain valve for sanitary and heating systems with a 15-inch (38 cm) connection, suitable for various industrial and private applications. This brass drain valve features a durable construction with corrosion-resistant materials, ensuring long-term reliability in demanding environments. The valve operates with a quarter-turn mechanism for quick and efficient drainage control, while the integrated handle allows for secure manual operation without the need for additional tools. With a maximum operating pressure of 16 bar and a temperature tolerance of up to 110 °C, this drain valve maintains consistent performance under various operating conditions. The precision-engineered threads ensure tight connections with standard piping systems, and the compact design allows for installation in tight spaces. Suitable for use in heating circuits, solar thermal systems, and general sanitary applications, this drain valve facilitates maintenance and system flushing processes. The product meets industry standards for quality and safety and features a robust spindle design that prevents accidental opening during normal operation. Each unit undergoes rigorous testing for functionality and durability before shipping. The Viega 713916 represents the manufacturer's commitment to technical excellence and reliable performance in fluid handling applications.