Gas Viessmann Vitodens 111-W 25 kW B1LF double-circuit

Weight: 68 kg
Depth: 50 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
Efficiency: 98 %
Accommodation: Wall
Fuel: Natural gas
Combustion chamber type: Closed
Heated area: 250 m²
Minimum heat output: 32 kW
Secondary heat exchanger material: Stainless steel
The volume of the built-in boiler: 46 l
Expansion tank volume: 10 l
Gas connection: 3/4"
Nominal pressure of natural gas: 25 mbar
Natural gas consumption: 3.35 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
Max. thermal power: 25 kW
Maximum thermal load: 23.4 kW
Minimum heat load: 25 kW