Viega 77410 ProPress 1/2 in. Press Zero-Lead Bronze Ball Valve

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About This Product

Easily manage the flow of potable water with the 1/2 in. ProPress bronze ball valve. This lead-free valve includes a 316 stainless-steel ball, EPDM sealing elements, and a double stem seal for reliable performance. Press connections simplify installation—no flame, calibration, or heavy tools required. Just follow four simple steps: cut the copper tubing to length, clean and deburr, mark the fitting depth, and use a press tool for a secure, lasting connection.

Viega’s Smart Connect technology detects unpressed fittings during pressure testing, helping ensure a complete seal and reducing installation errors. Approved by more codes and standards than any other press fitting system—including IPC, UPC, and NSF—and available in hundreds of configurations, Viega ProPress ball valves are a trusted choice for plumbing and HVAC professionals worldwide.

Highlights

• Designed for use with 1/2 in. ASTM B88 and B75 copper tubing (not compatible with PEX) 

• Suitable for potable water systems, hydronics, and more 

• Installs in 7 seconds or less using a press tool—no soldering or open flame needed 

• Smart Connect technology aids in identifying unpressed fittings during testing 

• Press design eliminates the need for fire watch or burn permits 

• Supports wet or dry connections for efficient system repairs 

• EPDM rubber seals ensure leak-resistant, watertight performance 

• Rated for 0–250°F temperatures and up to 300 PSI in water systems 

• Zero-lead construction certified under NSF-61-372 

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