2-circuit gas wall-mounted boiler NAVIEN DELUXE S COAXIAL-40K

Weight: 27 kg
Depth: 255 mm
Equipment: Display, room thermostat, remote control
Description: Type of heating boiler: gas, max. thermal power: 40 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
Width: 440
Height: 665
Control: Electronic
Functions: Self-diagnosis, auto-ignition, pump blocking protection, frost protection, overheating protection, flame modulation
Efficiency: 92 %
Accommodation: Wall
Power type: Single-phase
Fuel: Natural gas, liquefied gas
Combustion chamber type: Closed
Fuel consumption: 1.063 kg/h
Heated area: 400 m²
Minimum heat output: 12 kW
LPG consumption: 1.063 kg/h
Maximum coolant temperature: 80°C
Maximum temperature in the DHW circuit: 60°C
Maximum water pressure in the DHW circuit: 8 bar
Secondary heat exchanger material: Stainless steel
Minimum temperature in the DHW circuit: 30°C
Expansion tank volume: 8 l
Burner: Gas
Coaxial chimney diameter: 60/100 mm
Gas connection: 3/4"
Branch pipe for connecting the DHW circuit: 1/2"
Heating circuit connection: 3/4"
Permissible LPG pressure: 37 mbar
Nominal pressure of natural gas: 25 mbar
Nominal natural gas pressure min.: 10 mbar
Natural gas consumption: 1.273 m³/h
Number of circuits: Double-circuit
Primary heat exchanger material: Stainless steel
The principle of operation of a gas boiler: Convection
Type of heating boiler: Gas
Max. thermal power: 40 kW
Maximum thermal load: 40 kW
Maximum water pressure in the heating circuit: 3 bar
Minimum heating medium temperature: 40°C
Minimum heat load: 12 kW
Hot water capacity at t 25°C: 20.1 l/min
Hot water capacity at t 40°C: 12.5 l/min