35Maintenance
Replacementintervalsoftheoptionalltercartridgesinlitres
The following table gives you an overview of the approximate replacement intervals of the lter cartridge
based on the specic output, the carbonate hardness of the supply water (tap water).
Carbonatehardness[°dH]
supply water
Replacement interval in litres
Filter cartridge L
1 14000
2 7000
3 4667
4 3500
5 2800
6 2333
7 2000
8 1750
9 1556
10 1400
11 1273
12 1167
13 1077
14 1000
15 933
16 875
17 824
18 778
19 737
20 700
21 667
22 636
23 609
24 583
25 560
26 538
27 519
28 500
29 483
30 467
31 452
32 438
33 424
34 412
35 400
36 389
37 378
38 368
39 359
40 350