Technical information Installation systems 663 480 G1/2 8022-75 535 680-830 max.(-150) 1000 78 x Basic Tank Compact A890080200 BASIC TANK COMPACT - Compact concealed cistern (8 cm) with dual flush (4/2 - 4.5/3 - 6/3 L) 740 474 138-30-02 388 20-102 165 357 173 x Basic Tank under window A890121200 BASIC TANK L - Low height concealed cistern with dual flush (4.5/3 - 6/3 L) 280 ø10 210 ø12 380 180 560 260 ø10 36 395 Supporting frame A822091001 Concealed supporting frame for toilet and bidet Dimensions in mm