Double-circuit condensing Italtherm City Class 25 K

Depth: 324 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
Control: Electronic
Functions: Self-diagnosis, auto-ignition, pump blocking protection, frost protection, overheating protection, power-on indication, flame modulation, underfloor heating connection, programmer
Efficiency: 106.4 %
Accommodation: Wall
Power type: Single-phase
Fuel: Natural gas
Combustion chamber type: Closed
Heated area: 250 m²
Minimum heat output: 24 kW
LPG consumption: 1.98 kg/h
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
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
Natural gas consumption: 2.64 m³/h
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: 25 kW
Maximum thermal load: 25 kW
Minimum heating medium temperature: 20°C
Minimum heat load: 24 kW
Hot water capacity at t 25°C: 14.8 l/min
Hot water capacity at t 30°C: 12 l/min