EN
Operating report
Trinkwasserverordnung, §16 (German drinking water ordinance) requires you to keep an operating
report in the following form
Installation site Street
BWT water softener type:
Date
Water meter reading Water hardness
or
Calendar-
week
Keeping an operating report is not always required, for example in a private single-family house.
82
at building
upstream of
inlet
point the unit
[m
][
°dH]
3
City
Water hardness
downstream
of the unit
sodium as a component of the
[°dH]
sodium chloride additive (table salt)
Difference
8.2
*
= concentration of added
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