Bosch Natural Gas Boiler CONDENS 8700i W 35 P 23

The Bosch Condens 8700i W 35 P 23 wall-mounted condensing boiler is a high-performance heating solution, designed for professional installations in single-family or multi-family homes. With a nominal heating output of 34 kW, it reliably and efficiently meets demanding requirements.

Main Features

• Minimum nominal output at 80/60 °C: 16.9 kW.
• Maximum load at 50/30 °C: 35 kW.
• At 30% nominal heat output in low temperature mode: 11.3 kW.
• Maximum nominal heating load: 34.4 kW.
• Electrical connection: 230 V, 50 Hz.
• Protection rating: IPX4D.
• Maximum electrical power consumption: 125 W.
• Net weight: 49 kg.
• Seasonal heating energy efficiency: 94%.

Design and Installation

The boiler features a compact wall-mounted design, engineered for easy installation and maintenance. Bosch has equipped the unit with removable panels, an intuitive interface, and a design that integrates seamlessly into both professional and residential environments.

Modulation Range and Energy Savings

Thanks to its wide modulation range (from approximately 10% to 100% of output), the unit adapts its operation to actual demand, reducing on/off cycles and optimizing gas consumption.

Connectivity and Control (Optional)

The boiler can be integrated with smart control systems, allowing remote heating management, performance optimization, and enhanced comfort in daily use.

Additional Technical Specifications

• Height × Width × Depth: 780 mm × 440 mm × 365 mm (approximate, depending on version).
• Declared load profile: XL.
• Available for natural gas or propane (depending on local configuration).

Recommended Applications

Ideal equipment for professional indoor heating projects such as single-family or multi-family homes, where high efficiency, adaptability to variable consumption, and ease of maintenance are required. Its professional design makes it a recommended choice for demanding installers.

Customer Benefits

With this boiler, professional users can offer a reliable, low-consumption heating system that is easy to install and maintain, increasing value for the end customer and reducing operational installation costs.