made of brass, for protection of drinking water against non-drinking water up to and including liquid category 4, suitable for connection to the wall disk, with wall fitting and sliding rosette for installation even in very cramped conditions, with shut-off function for maintenance, max. Operating temperature 60 °C, EPDM seat seal, integrated differential pressure-controlled safety cartridge with RV, integrated inlet-side stainless steel dirt trap, pressure stage PN 10, horizontal installation, drain valve at bottom, test cams for connecting the test valves, no dead space