Hansgrohe Raindance Showerpipe 27160000 Manual Del Usuario página 43

Operation
To guarantee the smooth running of the
thermostat, it is necessary from time to time
to turn the thermostat from total hot to total
cold.
Important!
The non return valves must be checked
regularly according to DIN EN 1717 in
accordance with national or regional
regulations (at least once a year).
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