Viega is an internationally renowned market leader in plumbing systems, and integrates German design, manufacturing expertise and quality into nearly 17,000 products. Since 1899 Viega has set new benchmarks with its pioneering copper and stainless steel press-fit pipe technologies that have now been eagerly adopted throughout Australia for over 10 years. Viega also offers quality architectural products including concealed cisterns and designer flushing plates. Viega. Connected in quality.