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Drinking water
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Tap water, in conformity with the
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Softened water
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Water, from which calcium and
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removed.
Demineralized water
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Water, from which almost all salts
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conductivity).
Distilled water
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Water, in which no more salts are
present.
Installation
Water and hydraulic system
DHW quality
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an expansion vessel. The expansion
vessel used has to comply with the
water contents of the installation.
It is not necessary to install an
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single, central installed expansion
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single expansion vessel the handles of
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whilst open.
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connected on the cross union inside
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When applying a DHW cylinder
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(ATAG cylinder connection with use
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the diverter valve and the DHW
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For installation in UK, please refer to
UK standards.
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