Water quality

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
Cl₂ (free chlorine)	[mg/l]	max. 0.2
SO₄^2- (sulphate)	[mg/l]	max. 150
Fe (iron)	[mg/l]	max. 0.1
SiO₂ (silicate)	[mg/l]	max. 13
NH₂Cl (monochloramine)	[mg/l]	max. 0.2

Water hardness for water connection (A) for water injection
Water quality		Drinking water Soft water
German degrees of hardness (general hardness: GH)	[°dH]	4 - 7
French degrees of hardness	[°fH]	7 - 13
English degrees of hardness	[°e]	5 - 9
International	[ppm]	70 - 125
Chemical	[mmol/l]	0.7 - 1.3
Water hardness for water connection (B) for cleaning system
Water quality		Drinking water Hard water (or soft water; see above for specification)
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
Cl₂ (free chlorine)	[mg/l]	max. 0.2
SO₄^2- (sulphate)	[mg/l]	max. 150
Fe (iron)	[mg/l]	max. 0.1
SiO₂ (silicate)	[mg/l]	max. 13
NH₂Cl (monochloramine)	[mg/l]	max. 0.2