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Proven Bosch Quality – Modern reliability for apartments and single-family homes.
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High Energy Efficiency – Seasonal heating efficiency up to 94%, ensuring low operating costs.
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Powerful Performance – Maximum nominal heat output of 42.6 kW, covering even the most demanding heating needs.
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Modern and Stylish Design – Smooth white surfaces and elegant rounded edges for seamless integration into any interior.
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Intuitive Operation – Color LCD touchscreen panel for easy use with integrated time and vacation modes.
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App Connectivity – With the K30 plug-in module, enables remote control via smartphone or tablet (module not included by default).
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H2 Ready – Certified to use gas mixtures with up to 20% hydrogen, ready for future energy standards.
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Flexible Installation – Suitable for modernization as well as new construction.
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Easy Replacement of Old Equipment – Standardized dimensions and connections for quick swap.
Technical Specifications
| Parameter | Value |
|---|---|
| Model/Type | GC7700iW 45 P 23 |
| Maximum Nominal Heat Output (80/60°C) | 42.6 kW |
| Minimum Power (30% low temperature mode) | 14.4 kW |
| Maximum Supply Temperature | 85°C |
| Expansion Vessel Volume | 0 L (non-expandable) |
| Minimum Electrical Consumption | 13 W |
| Net Weight | 44 kg |
| Dimensions (W x H x D) | 80 x 780 x 365 mm |
| Heating Connections (supply/return) | 3/4 Zoll |
| Gas Connection | 1 Zoll |
| Nominal Thermal Power | 43 kW |
| Seasonal Heating Efficiency | 94% |
| H2 Ready (max hydrogen content) | Yes, up to 20% |
| Suitable Fuels | Natural gas |
| Order Number | 7736902858 |
Benefits and Applications
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For Households and Buildings with High Heating Demand – Suitable for single-family homes, apartments, and small multi-family buildings.
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Expandable Heating Options – Can be used in different system configurations.
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Future-Proof Sustainability – Guaranteed compatibility with energy transitions towards hydrogen blends.
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Smart Management – Online monitoring and remote temperature control capabilities.
The Bosch Condens 5700i W GC7700iW 45 P 23 combines high power, energy efficiency, easy integration, and readiness for future fuel standards. It is suitable for modern households seeking a reliable, convenient, and long-term heating solution.
