Bosch Condens 5700i W GC5700iW 35/35 C 23 – Wall-Mounted Condensing Gas Boiler

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Bosch Condens 5700i W GC5700iW 35/35 C 23 – Wall-Mounted Condensing Gas Boiler

Bosch Condens 5700i W GC5700iW 35/35 C 23 – Wall-Mounted Condensing Gas Boiler

Regular price €2.019,99
Sale price €2.019,99 Regular price
Unit price
Product description
Shipping & Return
  • Proven Bosch Quality – Ideal for apartments and single-family homes, known for reliability and long service life.

  • High Energy Efficiency – Seasonal heating efficiency of 94% and hot water heating efficiency of 86%, ensuring low energy costs.

  • Modern Design – Elegant appearance with smooth white surfaces and rounded corners, easy wall mounting suitable for any residential environment.

  • Intuitive Operation – Color LCD touchscreen with easy menu navigation including time and vacation modes.

  • App Control – Using the optional K30 plug-in module, the boiler can be connected online and controlled remotely via smartphone or tablet (module not included).

  • H2 Ready – Certified to operate with up to 20% hydrogen in the gas mixture (“H2 Ready”) for future sustainability.

  • Quiet Operation – Advanced sound insulation suitable for installation in living spaces.

  • Flexible Variants and Easy Replacement – Available as combi, system, or heating-only boiler; designed for hassle-free replacement of old equipment without complicated modifications.

Technical Specifications

Parameter Value
Model/Type GC5700iW 35/35 C 23
Maximum Nominal Heating Power (80/60°C) 33.6 kW
Minimum Power (30% in low-temperature mode) 11.4 kW
Nominal Heating Power 34 kW
Maximum Supply Temperature 85°C
Expansion Vessel Volume 12 liters
Minimum Electrical Consumption 13 W
Net Weight 50.5 kg
Dimensions (W x H x D) 440 x 780 x 365 mm
Heating Connections (supply/return) 3/4 Zoll
Gas Connection 1 Zoll
Hot Water Connection 1/2 Zoll
Seasonal Heating Efficiency 94%
Hot Water Heating Efficiency 86%
H2 Ready (max hydrogen ratio) Yes, up to 20%
Suitable Fuels Natural gas
Order Number 7736902845

Features and Applications

  • Intuitive Operation with a color LCD display and easy navigation (including special time and vacation modes).

  • Remote Management: With the K30 module, setup and programming can be done remotely via a mobile app.

  • Flexible Installation: Suitable for new construction or modernization, facilitating simple replacement of old boilers.

  • Multi-functionality: Available as heating-only or combined heating with domestic hot water options.

The Bosch Condens 5700i W GC5700iW 35/35 C 23 offers modern design, high energy efficiency, quiet operation, and intelligent control options. Its hydrogen readiness and easy integration with mobile apps make it an excellent choice for renovation or new homes, ensuring sustainability, comfort, and Bosch reliability.

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