Product Description Viega ProPress has helped installers across the world reduce installation time, save money and increase reliability on the job site. Built to last, Viega fittings are heavier than Type K copper, the most robust plumbing material on the market. Viega’s patented Smart Connect feature identifies unpressed connections during testing so that they are not missed. Only Viega offers the Smart Connect feature. Meets or exceeds the most rigorous testing codes and standards in North America. From the Manufacturer Viega ProPress has helped installers across the world reduce installation time, save money and increase reliability on the job site. Built to last, Viega fittings are heavier than Type K copper, the most robust plumbing material on the market. Viega’s patented Smart Connect feature identifies unpressed connections during testing so that they are not missed. Only Viega offers the Smart Connect feature. Meets or exceeds the most rigorous testing codes and standards in North America.