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                                                            | Weight: | 
                                                            34 kg
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                                                            | Equipment: | 
                                                            Display
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                                                            | Description: | 
                                                            Type of heating boiler: gas, max. thermal power: 21 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, liquefied gas, type of combustion chamber: closed, type of power supply: single-phase, at
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                                                            | Peculiarities: | 
                                                            Built-in expansion tank, built-in circulation pump, pressure gauge, external control connector, thermometer
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                                                            | Control: | 
                                                            Electronic
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                                                            | Dimensions WxHxD: | 
                                                            410x700x325mm
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                                                            | Installation: | 
                                                            Wall-mounted
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                                                            | Efficiency: | 
                                                            91 %
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                                                            | Fuel: | 
                                                            Natural gas, liquefied gas
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                                                            | Mains voltage: | 
                                                            Single-phase
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                                                            | Heated area: | 
                                                            210 sq.m
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                                                            | LPG consumption: | 
                                                            1.89 kg/hour
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                                                            | The combustion chamber: | 
                                                            Closed
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                                                            | Max. water pressure in the heating circuit: | 
                                                            3 bar
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                                                            | Temperature in the DHW circuit: | 
                                                            37 - 60 °С
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                                                            | Heat carrier temperature: | 
                                                            40 - 80 °С
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                                                            | Expansion tank volume: | 
                                                            6 l
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                                                            | Burner: | 
                                                            Gas
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                                                            | Coaxial chimney diameter: | 
                                                            60/100 mm
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                                                            | Gas connection: | 
                                                            3/4"
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                                                            | Branch pipe for connecting the DHW circuit: | 
                                                            1/2"
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                                                            | Heating circuit connection: | 
                                                            3/4"
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                                                            | Connection of a separate chimney diameter 80 mm: | 
                                                            Yes
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                                                            | Permissible LPG pressure: | 
                                                            35 mbar
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                                                            | Nominal pressure of natural gas: | 
                                                            17 - 25 mbar
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                                                            | Natural gas consumption: | 
                                                            2.44 cu. m/hour
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                                                            | Number of circuits: | 
                                                            Double-circuit
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                                                            | Primary heat exchanger material: | 
                                                            Copper
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                                                            | Type of heating boiler: | 
                                                            Gas, convection
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                                                            | Max. thermal power: | 
                                                            21 kW
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                                                            | Hot water capacity at t 25°C: | 
                                                            14.3 l/min
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                                                            | Hot water capacity at t 40°C: | 
                                                            9 l/min
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