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9.23 Water quality
EB/GB
Water hardness for both water-supply connections: Cleaning, recoil hand shower (A) and boiler (B)
Water quality
■
Drinking water
■
Hard water
German degrees of hardness (general hardness: GH)
[°dH]
4 - 20
French degrees of hardness
[°fH]
7 - 35
English degrees of hardness
[°e]
5 - 25
International
[ppm]
70 - 360
Chemical
[mmol/l]
0.7 - 3.6
Properties
Temperature
[°C]
max. 40
Electrical conductivity
[µS/cm]
min. 20
pH
6.5 - 8.5
Cl
-
(chloride)
[mg/l]
max. 60
Cl
2
(free chlorine)
[mg/l]
max. 0.2
SO
4
2
-(sulphate)
[mg/l]
max. 150
Fe (iron)
[mg/l]
max. 0.1
SiO
2
(silicate)
[mg/l]
max. 13
NH
2
Cl (monochloramine)
[mg/l]
max. 0.2
9 Technical data
Installation manual
97
Содержание C4 EB 12.20
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