The Viega ProPress Copper Coupling with Stop 3/4 in x 3/4 in (Model 78052) is a high-performance press fitting designed for fast, safe, and reliable connections in copper piping systems. The integrated stop ensures proper pipe insertion depth, helping installers achieve consistent, secure joints with every installation.

Manufactured from durable, lead-free copper alloy, this coupling is approved for potable water systems and meets strict industry standards for strength, safety, and long-term performance. Viega’s advanced press technology eliminates the need for soldering, delivering fast, flame-free installations while maintaining dependable, leak-resistant connections.

Equipped with EPDM sealing elements, this fitting provides excellent resistance to pressure and temperature fluctuations. Smart Connect technology allows installers to quickly identify unpressed connections during system testing, helping reduce installation errors and improve jobsite efficiency.

Key Features:

• 3/4 in x 3/4 in coupling with integrated stop
• Flame-free press connection for fast installation
• Lead-free copper construction for potable water systems
• EPDM sealing element for secure, leak-resistant performance
• Smart Connect technology for easy leak detection during testing
• Built-in stop ensures correct pipe insertion depth
• Compatible with ASTM B88/B75 copper tubing
• Ideal for residential and light commercial plumbing systems

Trusted by plumbing professionals worldwide, Viega ProPress fittings deliver speed, safety, and long-lasting reliability for modern installations.