Viega ProPress 3/4in Copper Coupling w/Stop - Double Press Connection - Smart Connect Technology. The components of these Viega Pipe Fittings are specifically formulated to reliably create a seal with virtually no run-off minimizing leaks and conserving energy. The press connection on the Viega ProPress Copper Coupling ASTM B88 tubing Copper ensures a faster leak-proof installation. These industrial equipment from Viega are an essential part of a larger system that may include a pump meter tank valve or similar items. For use with B88 tubing Copper. For a press fitting that easily installs into any system whether old or new choose the Viega ProPress Copper Coupling. Specifications for Viega ProPress Copper Coupling Fitting - Double Press Connection: Manufacturer: Viega Quantity: 1 Features of Viega ProPress Copper Coupling Fitting - Double Press Connection For use with ASTM B88 tubing Copper Press connection Components: EPDM sealing elements Package Contents: Viega ProPress Copper Coupling Fitting - Double Press Connection Viega 78052: ProPress 3/4in Copper Coupling w/Stop - Double Press Connection - Smart Connect Technology