Bosch Gaz 4000 ZWA24-2K

Source of energy: gas; Installation: wall; Type: dual circuit (heating and heating); Heating area: 180 ;m2; Useful power: 24 ;kW; The combustion chamber: open (chimney); Food: single-phase (220 V); Power consumption: 90 ;W; Min. t of the heating system: 38 ;°C; Max. t of the heating system: 85 ;°C; Max. the pressure in the heating circuit: 3 ;bar; Max. the pressure in the DHW circuit: 10 ;bar; Min. t hot water: 40; Max. t hot water: 65; Performance (Δt=25°C): 17.1 ;l/min; Performance (Δt=35°C): 11.4 ;l/min; Summer operation: +; Nominal pressure inlet gas: 13 ;mbar; Max. the gas flow: 2.8 ;m3/hour;...


Table of characteristics

Source of energygas
Typedual circuit (heating and heating)
Heating area180 m2
Technical x-Ki 
Useful power24 kW
The combustion chamberopen (chimney)
Foodsingle-phase (220 V)
Power consumption90 W
Min. t of the heating system38 °C
Max. t of the heating system85 °C
Max. the pressure in the heating circuit3 bar
Max. the pressure in the DHW circuit10 bar
Consumer x-Ki 
Min. t hot water40
Max. t hot water65
Performance (Δt=25°C)17.1 l/min
Performance (Δt=35°C)11.4 l/min
Summer operation+
Characteristics of the boiler 
Nominal pressure inlet gas13 mbar
Max. the gas flow2.8 m3/hour
The capacity of the surge tank8 l
The pressure of the surge tank0.5 bar
The diameter of the chimney130 mm
X-key pipe plug 
The water flow in the system1/2"
Hot water1/2"
The gas supply3/4"
The entrance to the heating system3/4"
The return from the heating system3/4"
Protection systemsThe fall pressure gas
Overheating water
The extinction of the flame
No thrust
Violation circulation water
Freezing fluid v circuit
Dimensions and weight 
Dimensions (HxWxD)750x400x355 mm
Weight33 kg