Electric appliances connected to the water mains. Avoidance of backsiphonage and failure of hose-sets has-corrigendum 2 and 3 materials

2 and 3 materials

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Electric appliances connected to the water mains. Avoidance of backsiphonage and failure of hose-sets has-corrigendum 2 and 3 materials1 Scope This European Standard specifies requirements for appliances for household and similar purposes to prevent the backflow of non potable water into the water mains. It also specifies requirements for hose sets used for connecting such appliances to the water mains that supply water at a pressure not exceeding 1 MPa. NOTE 1 Examples of similar purposes are the installation of appliances in canteens, restaurants, launderettes and communal flats.