| 
                        
                                                                                                                            
                                                            | Weight: | 
                                                            62 kg
                             | 
                        
                                                                                                                            
                                                            | 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
                             | 
                        
                                                                                
                                                                                        
                                                            | Peculiarities: | 
                                                            Connector for external control, thermometer
                             | 
                        
                                                                                                                            
                                                            | Additional Information: | 
                                                            Horizontal chimney connection
                             | 
                        
                                                                                
                                                                                        
                                                            | Control: | 
                                                            Mechanical
                             | 
                        
                                                                                                                            
                                                            | Dimensions WxHxD: | 
                                                            297x850x540mm
                             | 
                        
                                                                                
                                                                                        
                                                            | Installation: | 
                                                            Floor
                             | 
                        
                                                                                
                                                                                        
                                                            | Efficiency: | 
                                                            90.5 %
                             | 
                        
                                                                                
                                                                                        
                                                            | Fuel: | 
                                                            Natural gas
                             | 
                        
                                                                                
                                                                                        
                                                            | Chimney diameter: | 
                                                            120 mm
                             | 
                        
                                                                                
                                                                                        
                                                            | Heated area: | 
                                                            140 sq.m
                             | 
                        
                                                                                
                                                                                        
                                                            | Secondary heat exchanger material: | 
                                                            Copper
                             | 
                        
                                                                                
                                                                                        
                                                            | The combustion chamber: | 
                                                            Open
                             | 
                        
                                                                                                                            
                                                            | Max. water pressure in the DHW circuit: | 
                                                            6 bar
                             | 
                        
                                                                                                                            
                                                            | Max. water pressure in the heating circuit: | 
                                                            1.5 bar
                             | 
                        
                                                                                                                            
                                                            | Heat carrier temperature: | 
                                                            40 - 90 °С
                             | 
                        
                                                                                
                                                                                        
                                                            | Burner: | 
                                                            Gas
                             | 
                        
                                                                                
                                                                                        
                                                            | Gas connection: | 
                                                            1/2"
                             | 
                        
                                                                                                                            
                                                            | Branch pipe for connecting the DHW circuit: | 
                                                            1/2"
                             | 
                        
                                                                                                                            
                                                            | Heating circuit connection: | 
                                                            2"
                             | 
                        
                                                                                
                                                                                        
                                                            | Nominal pressure of natural gas: | 
                                                            12.74 - 17.64 mbar
                             | 
                        
                                                                                                                            
                                                            | Natural gas consumption: | 
                                                            1.7 cu. m/hour
                             | 
                        
                                                                                
                                                                                        
                                                            | Number of circuits: | 
                                                            Double-circuit
                             | 
                        
                                                                                                                            
                                                            | Primary heat exchanger material: | 
                                                            Steel
                             | 
                        
                                                                                                                            
                                                            | Type of heating boiler: | 
                                                            Gas, convection
                             | 
                        
                                                                                                                            
                                                            | Non-volatile: | 
                                                            Yes
                             | 
                        
                                                                                
                                                                                        
                                                            | Max. thermal power: | 
                                                            15 kW
                             | 
                        
                                                                                
                                                                                        
                                                            | Hot water capacity at t 35°C: | 
                                                            6.16 l/min
                             |