Double-circuit condensing Italtherm City Class 30 K

Depth: 325 mm
Equipment: Built-in exhaust fan
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
Control: Electronic
Functions: Self-diagnosis, auto-ignition, pump blocking protection, frost protection, overheating protection, power-on indication, flame modulation, underfloor heating connection, programmer
Efficiency: 106 %
Accommodation: Wall
Power type: Single-phase
Fuel: Natural gas
Combustion chamber type: Closed
Heated area: 300 m²
Minimum heat output: 3 kW
Maximum coolant temperature: 80°C
Bithermic heat exchanger: There is
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
Coaxial chimney diameter: 60/100 mm
Gas connection: 1/2"
Branch pipe for connecting the DHW circuit: 1/2"
Heating circuit connection: 3/4"
Separate chimney 80x80 mm: There is
Permissible LPG pressure: 35 mbar
Nominal pressure of natural gas: 20 mbar
Nominal natural gas pressure min.: 17 mbar
Number of circuits: Double-circuit
Primary heat exchanger material: Stainless steel
The principle of operation of a gas boiler: Condensing
Type of heating boiler: Gas
Non-volatile: There is
Max. thermal power: 30 kW
Maximum thermal load: 30 kW
Maximum water pressure in the heating circuit: 3 bar
Minimum heating medium temperature: 20°C
Minimum heat load: 3 kW
Hot water capacity at t 25°C: 17.2 l/min
Hot water capacity at t 30°C: 13.8 l/min