Constructive characteristics
                     | 
                     | 
                
                                                    
                         | 
                         | 
                                                    E-Tech W 09 Single Phase Electric Boiler | 
                                                    E-Tech W 09 Three Phase Electric Boiler | 
                                                    E-Tech W 15 Single Phase Electric Boiler | 
                                                    E-Tech W 15 Three Phase Electric Boiler | 
                                                    E-Tech W 22 Three Phase Electric Boiler | 
                                                    E-Tech W 28 Three Phase Electric Boiler | 
                                                    E-Tech W 36 Three Phase Electric Boiler | 
                                            
                                                    
                        | 
                            Capacity (total)
                         | 
                                                    
                                L
                             | 
                                                            
                                                                            13
                                                                     | 
                                                            
                                                                            13
                                                                     | 
                                                            
                                                                            13
                                                                     | 
                                                            
                                                                            13
                                                                     | 
                                                            
                                                                            13
                                                                     | 
                                                            
                                                                            13
                                                                     | 
                                                            
                                                                            13
                                                                     | 
                                                        
                                L
                             | 
                                            
                                    
                        | 
                            Capacity expansion tank(s)
                         | 
                                                    
                                L
                             | 
                                                            
                                                                            10
                                                                     | 
                                                            
                                                                            10
                                                                     | 
                                                            
                                                                            10
                                                                     | 
                                                            
                                                                            10
                                                                     | 
                                                            
                                                                            10
                                                                     | 
                                                            
                                                                            10
                                                                     | 
                                                            
                                                                            10
                                                                     | 
                                                        
                                L
                             | 
                                            
                                    
                        | 
                            Max operating temperature
                         | 
                                                    
                                °C
                             | 
                                                            
                                                                            85
                                                                     | 
                                                            
                                                                            85
                                                                     | 
                                                            
                                                                            85
                                                                     | 
                                                            
                                                                            85
                                                                     | 
                                                            
                                                                            85
                                                                     | 
                                                            
                                                                            85
                                                                     | 
                                                            
                                                                            85
                                                                     | 
                                                        
                                °C
                             | 
                                            
                                    
                        | 
                            Max service pressure heating (primary)
                         | 
                                                    
                                bar
                             | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                        
                                bar
                             | 
                                            
                                    
                        | 
                            Connection - heating
                         | 
                                                    
                                Ø"
                             | 
                                                            
                                                                            3/4
                                                                     | 
                                                            
                                                                            3/4
                                                                     | 
                                                            
                                                                            3/4
                                                                     | 
                                                            
                                                                            3/4
                                                                     | 
                                                            
                                                                            3/4
                                                                     | 
                                                            
                                                                            3/4
                                                                     | 
                                                            
                                                                            3/4
                                                                     | 
                                                        
                                Ø"
                             | 
                                            
                                    
                        | 
                            Weight (empty)
                         | 
                                                    
                                kg
                             | 
                                                            
                                                                            45
                                                                     | 
                                                            
                                                                            45
                                                                     | 
                                                            
                                                                            45
                                                                     | 
                                                            
                                                                            45
                                                                     | 
                                                            
                                                                            45
                                                                     | 
                                                            
                                                                            45
                                                                     | 
                                                            
                                                                            45
                                                                     | 
                                                        
                                kg
                             | 
                                            
                                                            
                    
                        Heating characteristics
                     | 
                     | 
                
                                                    
                         | 
                         | 
                                                    E-Tech W 09 Single Phase Electric Boiler | 
                                                    E-Tech W 09 Three Phase Electric Boiler | 
                                                    E-Tech W 15 Single Phase Electric Boiler | 
                                                    E-Tech W 15 Three Phase Electric Boiler | 
                                                    E-Tech W 22 Three Phase Electric Boiler | 
                                                    E-Tech W 28 Three Phase Electric Boiler | 
                                                    E-Tech W 36 Three Phase Electric Boiler | 
                                            
                                                    
                        | 
                            Electrical power
                         | 
                                                    
                                kW
                             | 
                                                            
                                                                            5,6 / 8,4
                                                                     | 
                                                            
                                                                            5,6 / 8,4
                                                                     | 
                                                            
                                                                            9,6 / 14,4
                                                                     | 
                                                            
                                                                            9,6 / 14,4
                                                                     | 
                                                            
                                                                            14,4 / 21,6
                                                                     | 
                                                            
                                                                            14,4 / 28,8
                                                                     | 
                                                            
                                                                            18,0 / 36,0
                                                                     | 
                                                        
                                kW
                             | 
                                            
                                    
                        | 
                            Electrical Resistance
                         | 
                                                    
                                kW
                             | 
                                                            
                                                                            2 x 1,4
                                                                     | 
                                                            
                                                                            2 x 1,4
                                                                     | 
                                                            
                                                                            2 x 2,4
                                                                     | 
                                                            
                                                                            2 x 2,4
                                                                     | 
                                                            
                                                                            2 x 2,4
                                                                     | 
                                                            
                                                                            2 x 2,4
                                                                     | 
                                                            
                                                                            2 x 3,0
                                                                     | 
                                                        
                                kW
                             | 
                                            
                                    
                        | 
                            Output power max (80/60°C)
                         | 
                                                    
                                kW
                             | 
                                                            
                                                                            8.4
                                                                     | 
                                                            
                                                                            8,4
                                                                     | 
                                                            
                                                                            14,4
                                                                     | 
                                                            
                                                                            14,4
                                                                     | 
                                                            
                                                                            21,6
                                                                     | 
                                                            
                                                                            28,8
                                                                     | 
                                                            
                                                                            36,0
                                                                     | 
                                                        
                                kW
                             | 
                                            
                                    
                        | 
                            Output power min (80/60°C)
                         | 
                                                    
                                kW
                             | 
                                                            
                                                                            5,6
                                                                     | 
                                                            
                                                                            5,6
                                                                     | 
                                                            
                                                                            9,6
                                                                     | 
                                                            
                                                                            9,6
                                                                     | 
                                                            
                                                                            14,4
                                                                     | 
                                                            
                                                                            14,4
                                                                     | 
                                                            
                                                                            18,0
                                                                     | 
                                                        
                                kW
                             | 
                                            
                                                            
                    
                        Electrical Characteristics
                     | 
                     | 
                
                                                    
                         | 
                         | 
                                                    E-Tech W 09 Single Phase Electric Boiler | 
                                                    E-Tech W 09 Three Phase Electric Boiler | 
                                                    E-Tech W 15 Single Phase Electric Boiler | 
                                                    E-Tech W 15 Three Phase Electric Boiler | 
                                                    E-Tech W 22 Three Phase Electric Boiler | 
                                                    E-Tech W 28 Three Phase Electric Boiler | 
                                                    E-Tech W 36 Three Phase Electric Boiler | 
                                            
                                                    
                        | 
                            Number of heating elements
                         | 
                                                    
                                
                             | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            3
                                                                     | 
                                                            
                                                                            5
                                                                     | 
                                                            
                                                                            6
                                                                     | 
                                                            
                                                                            6
                                                                     | 
                                                        
                                
                             | 
                                            
                                    
                        | 
                            Voltage
                         | 
                                                    
                                V
                             | 
                                                            
                                                                            1x230
                                                                     | 
                                                            
                                                                            3x400 (+N)
                                                                     | 
                                                            
                                                                            1x230
                                                                     | 
                                                            
                                                                            3x400 (+N)
                                                                     | 
                                                            
                                                                            3x400 (+N)
                                                                     | 
                                                            
                                                                            3x400 (+N)
                                                                     | 
                                                            
                                                                            3x400 (+N)
                                                                     | 
                                                        
                                V
                             | 
                                            
                                    
                        | 
                            Frequency
                         | 
                                                    
                                Hz
                             | 
                                                            
                                                                            50/60
                                                                     | 
                                                            
                                                                            50/60
                                                                     | 
                                                            
                                                                            50/60
                                                                     | 
                                                            
                                                                            50/60
                                                                     | 
                                                            
                                                                            50/60
                                                                     | 
                                                            
                                                                            50/60
                                                                     | 
                                                            
                                                                            50/60
                                                                     | 
                                                        
                                Hz
                             | 
                                            
                                    
                        | 
                            Protection IP
                         | 
                                                    
                                
                             | 
                                                            
                                                                            IP43
                                                                     | 
                                                            
                                                                            IP43
                                                                     | 
                                                            
                                                                            IP43
                                                                     | 
                                                            
                                                                            IP43
                                                                     | 
                                                            
                                                                            IP43
                                                                     | 
                                                            
                                                                            IP43
                                                                     | 
                                                            
                                                                            IP43
                                                                     | 
                                                        
                                
                             | 
                                            
                                    
                        | 
                            Electrical power requirements
                         | 
                                                    
                                A
                             | 
                                                            
                                                                            36
                                                                     | 
                                                            
                                                                            12
                                                                     | 
                                                            
                                                                            63
                                                                     | 
                                                            
                                                                            21
                                                                     | 
                                                            
                                                                            32
                                                                     | 
                                                            
                                                                            42
                                                                     | 
                                                            
                                                                            52
                                                                     | 
                                                        
                                A
                             | 
                                            
                                                            
                    
                        Eco Design Data
                     | 
                     | 
                
                                                    
                         | 
                         | 
                                                    E-Tech W 09 Single Phase Electric Boiler | 
                                                    E-Tech W 09 Three Phase Electric Boiler | 
                                                    E-Tech W 15 Single Phase Electric Boiler | 
                                                    E-Tech W 15 Three Phase Electric Boiler | 
                                                    E-Tech W 22 Three Phase Electric Boiler | 
                                                    E-Tech W 28 Three Phase Electric Boiler | 
                                                    E-Tech W 36 Three Phase Electric Boiler | 
                                            
                                                    
                        | 
                            Space heating energy efficiency class
                         | 
                                                    
                                
                             | 
                                                            
                                                                            D
                                                                     | 
                                                            
                                                                            D
                                                                     | 
                                                            
                                                                            D
                                                                     | 
                                                            
                                                                            D
                                                                     | 
                                                            
                                                                            D
                                                                     | 
                                                            
                                                                            D
                                                                     | 
                                                            
                                                                            D
                                                                     | 
                                                        
                                
                             | 
                                            
                                    
                        | 
                            Seasonal space heating efficiency
                         | 
                                                    
                                %
                             | 
                                                            
                                                                            37
                                                                     | 
                                                            
                                                                            37
                                                                     | 
                                                            
                                                                            37
                                                                     | 
                                                            
                                                                            37
                                                                     | 
                                                            
                                                                            37
                                                                     | 
                                                            
                                                                            37
                                                                     | 
                                                            
                                                                            37
                                                                     | 
                                                        
                                %
                             | 
                                            
                                    
                        | 
                            Water heating energy efficiency [hwh] (EU 814/2013 Art 2 (15) Ann.IV-3)
                         | 
                                                    
                                %
                             | 
                                                            
                                                                            N/A
                                                                     | 
                                                            
                                                                            N/A
                                                                     | 
                                                            
                                                                            N/A
                                                                     | 
                                                            
                                                                            N/A
                                                                     | 
                                                            
                                                                            N/A
                                                                     | 
                                                            
                                                                            N/A
                                                                     | 
                                                            
                                                                            N/A
                                                                     | 
                                                        
                                %
                             | 
                                            
                                    
                        | 
                            Sound power level indoors LWA
                         | 
                                                    
                                dB
                             | 
                                                            
                                                                            15
                                                                     | 
                                                            
                                                                            15
                                                                     | 
                                                            
                                                                            15
                                                                     | 
                                                            
                                                                            15
                                                                     | 
                                                            
                                                                            15
                                                                     | 
                                                            
                                                                            15
                                                                     | 
                                                            
                                                                            15
                                                                     | 
                                                        
                                dB
                             | 
                                            
                                                                            
                            | 
                                Energy Label EU
                                                                    
                                                             | 
                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                
                                    
                                 | 
                                                    
                                            
                            | 
                                Product Fiche
                                                             | 
                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                    
                                                                                    
                                                                             | 
                                                                
                                    
                                 |