Gas boiler Navien NCB 28LSWE 23.4 kW double-circuit

Weight: 38 kg
Equipment: Remote control
Description: Type of heating boiler: gas, max. thermal power: 23.40 kW, number of circuits: double-circuit, placement: wall-mounted, type of combustion chamber: closed, type of power supply: single-phase, control: electronic, operating principle
Peculiarities: Built-in circulation pump, thermometer
Control: Electronic
Dimensions WxHxD: 440x695x260 mm
Installation: Wall-mounted
Efficiency: 107.8 %
Mains voltage: Single-phase
Thermal power: 3.90 - 23.40 kW
Heated area: 222 sq.m
Secondary heat exchanger material: Stainless steel
The combustion chamber: Closed
Max. water pressure in the DHW circuit: 10 bar
Max. water pressure in the heating circuit: 2.5 bar
Temperature in the DHW circuit: 30 - 65 °С
Heat carrier temperature: 40 - 90 °С
Thermal load: 4.20 - 24 kW
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"
Connection of a separate chimney diameter 80 mm: Yes
Number of circuits: Double-circuit
Primary heat exchanger material: Stainless steel
Type of heating boiler: Gas, condensing
Hot water capacity at t 25°C: 16.1 l/min
Hot water capacity at t 30°C: 13.4 l/min
Hot water capacity at t 45°C: 8.9 l/min