Double-circuit Italtherm City Class 28 C 28.3 kW + Chimney

Depth: 300 mm
Description: Type of heating boiler: gas, max. thermal power: 23 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, type of combustion chamber: closed, type of power supply: single-phase, control: electric
Width: 400
Height: 700
Control: Electronic
Functions: Switch-on indication
Efficiency: 90.1 %
Power type: Single-phase
Fuel: Natural gas, liquefied gas
Combustion chamber type: Open
Chimney diameter: 140 mm
Heated area: 300 m²
Minimum heat output: 10 kW
Maximum coolant temperature: 80°C
Maximum temperature in the DHW circuit: 55°C
Maximum water pressure in the DHW circuit: 6 bar
Secondary heat exchanger material: Stainless steel
Minimum temperature in the DHW circuit: 35°C
Expansion tank volume: 8 l
Burner: Gas
Gas connection: 3/4"
Branch pipe for connecting the DHW circuit: 1/2"
Heating circuit connection: 3/4"
Number of circuits: Double-circuit
Primary heat exchanger material: Copper
The principle of operation of a gas boiler: Convection
Type of heating boiler: Gas
Max. thermal power: 28.3 kW
Maximum thermal load: 28.3 kW
Maximum water pressure in the heating circuit: 3 bar
Minimum heating medium temperature: 35°C
Minimum heat load: 10 kW
Hot water capacity at t 25°C: 14.6 l/min
Hot water capacity at t 30°C: 12.2 l/min
Fuel for automatic feeding: Gas