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                                                            | Weight: | 90 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: | Pressure gauge, external control connector, thermometer | 
                                                                                
                                                                                        
                                                            | Control: | Electronic | 
                                                                                                                            
                                                            | Dimensions WxHxD: | 290x835x670 mm | 
                                                                                
                                                                                        
                                                            | Installation: | Floor | 
                                                                                
                                                                                        
                                                            | Efficiency: | 92 % | 
                                                                                
                                                                                        
                                                            | Fuel: | Natural gas | 
                                                                                
                                                                                        
                                                            | Mains voltage: | Single-phase | 
                                                                                
                                                                                        
                                                            | Chimney diameter: | 130 mm | 
                                                                                
                                                                                        
                                                            | The combustion chamber: | Open | 
                                                                                                                            
                                                            | Max. water pressure in the heating circuit: | 2 bar | 
                                                                                                                            
                                                            | Max. coolant temperature: | 90 °С | 
                                                                                                                            
                                                            | Max. thermal load: | 25.30 kW | 
                                                                                                                            
                                                            | Power steps: | 2 | 
                                                                                
                                                                                        
                                                            | Burner: | Gas | 
                                                                                
                                                                                        
                                                            | Gas connection: | 3/4" | 
                                                                                                                            
                                                            | Heating circuit connection: | 2" | 
                                                                                
                                                                                        
                                                            | Nominal pressure of natural gas: | 20 mbar | 
                                                                                                                            
                                                            | Natural gas consumption: | 2.7 cu. m/hour | 
                                                                                
                                                                                        
                                                            | Number of circuits: | Single-loop | 
                                                                                                                            
                                                            | Primary heat exchanger material: | Steel | 
                                                                                                                            
                                                            | Type of heating boiler: | Gas, convection | 
                                                                                
                                                                                        
                                                            | Max. thermal power: | 22 kW |