6. Anti-calcification function
This automatic function opens and closes the valve to
avoid limescale. This function is automatically activated
when, in the last week, the valve has not changed
position, it is activated on Saturday at 00:00, and it will
simply open the valve completely for a few seconds and
return to its programmed position.
7. Battery Icon
It shows the battery in 5 sections, of 20% each.
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