Condensing Combi Boiler
Condensate 5700i W

The Condens 5700i W wall-mounted condensing combi boiler offers economical operating alternatives with superior Bosch technology for all capacity needs.
It is here for you for a cleaner world with its modulation ratio up to 1:10 and silent operation.
- 24/24, 30/30 and 35/35 kW heating and hot water capacity
- 94% seasonal energy efficiency and high savings
- Modulation ratio up to 1:10
- Quiet operation (24kW≤45dB(A), 30kW≤49dB(A), 35kW≤50dB(A))
Wide Capacity Range
The Condens 5700i W condensing boiler, manufactured with superior Bosch technology, provides reliable heating and hot water for living spaces of different sizes and needs, from apartments to villas, with capacities of 24/25, 30/30, and 35/35 kW.
Energy Saving
Condens 5700i W has an aluminum-silicon alloy cast heat exchanger and has an ErP efficiency of 94%. It has an A+ energy efficiency when used with a room control that works according to the outside air temperature. It offers economical operation even at low capacity needs thanks to the modulation ratio of up to 1:10.
Energy Consumption Display
With its advanced structure and easy-to-understand colored display, the user-friendly Condens 5700i W allows you to easily control the energy consumption data of your heating system via your combi boiler.
Technical Data | |
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ErP Tag Link | ![]() |
Min. nominal thermal load (80/60 °C) | 3kW |
Max. nominal thermal load (80/60 °C) | 24kW |
Max. nominal thermal load (50/30 °C) | 25.2kW |
At 30% of maximum capacity and low temperature operation | 8.1kW |
Max. flow water temperature | 82°C |
Maximum nominal thermal load, heating | 24.5kW |
Electrical connection | 230V |
Electrical frequency | 50Hz |
Protection class (EN 60529) | "IPX4D, B23/B33 |
Max. electric power draw | 110W |
Minimum electrical power draw | 13 W |
Net weight | 43 kg |
Width | 440mm |
Height | 780mm |
Depth | 365mm |
Gas connection | 1 Zoll |
Connection of flow water line and return water line | 1/2 Zoll |
Recorded thermal power | 24kW |
Seasonal space heating energy efficiency | 94% |
Water heating energy efficiency | 86% |
H2 Ready | No |
Suitable fuels | Gas |
Heating Capacity | : | 35kW |