The Viega ProPress Copper Union 1" x 1" (79135) is a reliable, high-quality press fitting designed for fast, flame-free pipe connections in plumbing and HVAC systems. Made from durable copper, it delivers excellent corrosion resistance and long-term performance in both residential and commercial applications.

Engineered for use with the Viega ProPress system, this union allows for quick, secure, and leak-resistant connections without the need for soldering or open flames. The press technology significantly reduces installation time while improving jobsite safety and efficiency.

Ideal for water distribution, mechanical piping, and HVAC installations, the Viega ProPress Copper Union provides consistent, professional results and a clean, dependable connection every time.