| 
                        
                                                                                                                            
                                                            | Depth: | 
                                                            300 mm
                             | 
                        
                                                                                                                            
                                                            | Description: | 
                                                            Type of heating boiler: gas, max. thermal power: 23 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, type of combustion chamber: closed, type of power supply: single-phase, control: electric
                             | 
                        
                                                                                
                                                                                        
                                                            | Width: | 
                                                            400
                             | 
                        
                                                                                                                            
                                                            | Height: | 
                                                            700
                             | 
                        
                                                                                
                                                                                        
                                                            | Control: | 
                                                            Electronic
                             | 
                        
                                                                                
                                                                                        
                                                            | Functions: | 
                                                            Switch-on indication
                             | 
                        
                                                                                
                                                                                        
                                                            | Efficiency: | 
                                                            90.1 %
                             | 
                        
                                                                                
                                                                                        
                                                            | Power type: | 
                                                            Single-phase
                             | 
                        
                                                                                
                                                                                        
                                                            | Fuel: | 
                                                            Natural gas, liquefied gas
                             | 
                        
                                                                                
                                                                                        
                                                            | Combustion chamber type: | 
                                                            Open
                             | 
                        
                                                                                
                                                                                        
                                                            | Chimney diameter: | 
                                                            140 mm
                             | 
                        
                                                                                
                                                                                        
                                                            | Heated area: | 
                                                            300 m²
                             | 
                        
                                                                                
                                                                                        
                                                            | Minimum heat output: | 
                                                            10 kW
                             | 
                        
                                                                                
                                                                                        
                                                            | Maximum coolant temperature: | 
                                                            80°C
                             | 
                        
                                                                                
                                                                                        
                                                            | Maximum temperature in the DHW circuit: | 
                                                            55°C
                             | 
                        
                                                                                                                            
                                                            | Maximum water pressure in the DHW circuit: | 
                                                            6 bar
                             | 
                        
                                                                                                                            
                                                            | Secondary heat exchanger material: | 
                                                            Stainless steel
                             | 
                        
                                                                                                                            
                                                            | Minimum temperature in the DHW circuit: | 
                                                            35°C
                             | 
                        
                                                                                
                                                                                        
                                                            | Expansion tank volume: | 
                                                            8 l
                             | 
                        
                                                                                
                                                                                        
                                                            | Burner: | 
                                                            Gas
                             | 
                        
                                                                                
                                                                                        
                                                            | Gas connection: | 
                                                            3/4"
                             | 
                        
                                                                                                                            
                                                            | Branch pipe for connecting the DHW circuit: | 
                                                            1/2"
                             | 
                        
                                                                                                                            
                                                            | Heating circuit connection: | 
                                                            3/4"
                             | 
                        
                                                                                
                                                                                        
                                                            | Number of circuits: | 
                                                            Double-circuit
                             | 
                        
                                                                                                                            
                                                            | Primary heat exchanger material: | 
                                                            Copper
                             | 
                        
                                                                                                                            
                                                            | The principle of operation of a gas boiler: | 
                                                            Convection
                             | 
                        
                                                                                                                            
                                                            | Type of heating boiler: | 
                                                            Gas
                             | 
                        
                                                                                
                                                                                        
                                                            | Max. thermal power: | 
                                                            28.3 kW
                             | 
                        
                                                                                                                            
                                                            | Maximum thermal load: | 
                                                            28.3 kW
                             | 
                        
                                                                                                                            
                                                            | Maximum water pressure in the heating circuit: | 
                                                            3 bar
                             | 
                        
                                                                                                                            
                                                            | Minimum heating medium temperature: | 
                                                            35°C
                             | 
                        
                                                                                                                            
                                                            | Minimum heat load: | 
                                                            10 kW
                             | 
                        
                                                                                
                                                                                        
                                                            | Hot water capacity at t 25°C: | 
                                                            14.6 l/min
                             | 
                        
                                                                                                                            
                                                            | Hot water capacity at t 30°C: | 
                                                            12.2 l/min
                             | 
                        
                                                                                
                                                                                        
                                                            | Fuel for automatic feeding: | 
                                                            Gas
                             |