CEI EN 61770 : 2009/A11 : 2018
Current
The latest, up-to-date edition.
Electric appliances connected to the water mains - Avoidance ofbacksiphonage and failure of hose-sets
Hardcopy , PDF
English
29-03-2019
This European Standard specifies requirements for appliances for household and similar purposes to prevent the backflow of non-potable water into the water mains.
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