EN 1151:1999 Pumps - Rotodynamic Pumps - Circulation Pumps Having an Electrical Effect Not Exceeding 200 W for Heating Installations and Domestic Hot Water Installations - Requirements@ Testing@ Marking
1999EN 1151:1999 Pumps - Rotodynamic Pumps - Circulation Pumps Having an Electrical Effect Not Exceeding 200 W for Heating Installations and Domestic Hot Water Installations - Requirements@ Testing@ Marking