Gas boiler Navien NCN 21KN

Weight: 35 kg
Equipment: Display, room thermostat, remote control
Description: Type of heating boiler: gas, max. heating power: 21.10 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,
Peculiarities: Built-in expansion tank, built-in circulation pump, pressure gauge, thermometer
Control: Electronic
Dimensions WxHxD: 440x695x370 mm
Installation: Wall-mounted
Efficiency: 107.9 %
Fuel: Natural gas, liquefied gas
Mains voltage: Single-phase
Thermal power: 5.20 - 21.10 kW
The combustion chamber: Closed
Max. water pressure in the DHW circuit: 10 bar
Max. water pressure in the heating circuit: 3 bar
Temperature in the DHW circuit: 30 - 65 °С
Heat carrier temperature: 30 - 90 °С
Expansion tank volume: 65 l
Burner: Gas
Coaxial chimney diameter: 60/100 mm and 80/125 mm
Gas connection: 3/4"
Branch pipe for connecting the DHW circuit: 1/2"
Heating circuit connection: 3/4"
Number of circuits: Double-circuit
Type of heating boiler: Gas, condensing
Hot water capacity at t 25°C: 14 l/min
Hot water capacity at t 40°C: 8.8 l/min