Viega Sanpress Inox press connector system with press connectors and pipes made of stainless steel material Nos. 1.4401 and 1.4521 in acc. with DIN EN 10088, DIN EN 10312, DVGW worksheet GW 541, system certification for connectors and pipes in acc. with DVGW worksheet W 534, for drinking water installations in acc. with DIN 1988. For dimensionally stable concealed and pre-?wall installations of manifold and riser pipes in Viega component assembly.