This combi unit comes with a built-in, energy-efficient stainless steel boiler of 40 liters, offering many possibilities. When hot water is needed at different places in the house simultaneously, the Nefit 9700i AquaPower is designed for optimal comfort and energy efficiency. No matter the habits or needs of the users.
Developed with the future in mind
The Nefit 9700i is future-ready: internet-enabled, prepared for hybrid systems, and ready for a mix of natural gas and hydrogen. The modern boiler can be combined with a room thermostat of your choice, such as the wireless internet thermostat CR20 RF with the Bosch HomeComfort app, or the smart Bosch EasyControl thermostat paired with the EasyControl app. This makes it easy to regulate the temperature in each room of your home.
New Low Energy-High Performance heating pump
The 9700i is up to 75% more energy-efficient due to its high modulation range. The high hydraulic efficiency ensures maximum performance. Furthermore, the intelligent speed control is based on both the unit's power and pressure differential, resulting in optimal performance.
Details
Technical Specifications
| Feature | Value |
|---|---|
| Brand | Nefit |
| Supplier Code | 7736702506 |
| EAN Code | 4062321878986 |
| Discount Group | 008 |
| Width | 920 mm |
| Height | 735 mm |
| Depth | 425 mm |
| Frequency | 50 Hz |
| Closed Version | Yes |
| Energy Efficiency for Water Heating (Nwh) | 98 % |
| Capacity Profile | XL |
| Max. Hydrogen Blend Percentage with Natural Gas | 20 % |
| Suitable for Low Calorific Natural Gas | Standard Factory Setting |
| Suitable for High Calorific Natural Gas | Standard Factory Setting |
| Suitable for Propane | Through conversion kit, not included |
| Suitable for Butane | Not suitable |
| Suitable for Methane | Not suitable |
| Suitable for LPG | Not suitable |
| Suitable for Hydrogen | Not suitable |
| Heat Exchanger Material | Aluminum |
| Built-in Pump Switch | Yes |
| Nominal Load Lower Limit | 6.3 kW |
| Nominal Load Upper Limit | 43.5 kW |
| Min. Operating Pressure | 0.8 bar |
| Min. Return Temperature | 7 °C |
| Max. Gas Inlet Pressure | 30 mbar |
| Built-in Weather-Dependent Controller | No |
| Built-in Expansion Vessel | No |
| Nom. Power 80-60 °C | 42.6 kW |
| Max. Flow Temperature (Operating Temperature) | 82 °C |
| Max. Operating Pressure | 3 bar |
| Built-in Filling/Draining Valve | No |
| Built-in Overpressure Valve | Yes |
| Outer Pipe Diameter Supply | 28 mm |
| Outer Pipe Diameter Return | 28 mm |
| Outer Pipe Diameter Fuel | 15 mm |
| Air Supply Connection | Push-fit connection |
| Nominal Channel Diameter Air Supply | 80 mm |
| Flue Gas Outlet Connection | Push-fit connection |
| Outer Pipe Diameter Condensate | 20 mm |
| Min. Gas Inlet Pressure | 20 mbar |
| Nominal Channel Diameter Flue Gas | 80 mm |
| Burner Control High/Low | Yes |
| Burner Control Modulating | Yes |
| Built-in Manometer | No |
| Condensing | Yes |
| Efficiency | 107 % |
| Pilot Flame | No |
| Second Return Connection | Yes |
| Control Signal On/Off | Yes |
| Control Signal High/Low | Yes |
| Control Signal 0-10V | Yes |
| Control Signal OpenTherm | No |
| Operation as Open Version (Air Supply) | Yes |
| Nom. Power 50-30 °C | 45 kW |
| Nom. Diameter Supply | Other |
| Nom. Diameter Return | Other |
| Nom. Diameter Fuel | 1/2" (15) |
| Nom. Diameter Condensate | 3/4" (20) |
| CW Label | 6 |
