C3 Self-closing faucets ยท Installation | 751 Avant Installation, use and maintenance If water pressure is too low or too high, it is possible to adjust the flow rate via the adjustable ring on the cartridge. 6 1 Adjustable index ring to change 23 45 flow rate. 10 9 8 7 6 5 Pos. 1 4 Pos. 2 3 Pos. 3 2 Pos. 4 1 Pos. 5 0 Pos. 6 0 1 2 3 4 5 6 Pressure (bar) )ni m/l( wolF