Gas boiler NUVOLA-3 Comfort 280 i

Weight: 60 kg
Equipment: Built-in boiler, display, room thermostat, remote control
Description: Type of heating boiler: gas, max. thermal power: 28 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, liquefied gas, type of combustion chamber: open, type of power supply: single-phase, at
Peculiarities: Air vent, built-in expansion tank, built-in circulation pump, pressure gauge, safety valve, connector for external control, thermometer
Additional Information: Performance at 30% power 88%; expansion tank of the DHW circuit 3.5 l; the amount of hot water in the first 30 minutes at ΔТ
Control: Electronic
Dimensions WxHxD: 600x950x466mm
Installation: Wall-mounted
Efficiency: 90.3 %
Fuel: Natural gas, liquefied gas
Mains voltage: Single-phase
Chimney diameter: 140 mm
Thermal power: 10.40 - 28 kW
LPG consumption: 2.42 kg/hour
The volume of the built-in boiler: 60 l
The combustion chamber: Open
Max. water pressure in the DHW circuit: 6 bar
Max. water pressure in the heating circuit: 3 bar
Temperature in the DHW circuit: 5 - 60 °С
Heat carrier temperature: 30 - 85 °С
Thermal load: 11.90 - 31.10 kW
Expansion tank volume: 7.5 l
Burner: Gas
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: 13 - 20 mbar
Natural gas consumption: 3.29 cu. m/hour
Number of circuits: Double-circuit
Primary heat exchanger material: Copper
Type of heating boiler: Gas, convection
Hot water capacity at t 25°C: 16.1 l/min
Hot water capacity at t 35°C: 11.4 l/min