The Nefit TrendLine II is the first of a new generation of high-quality HR boilers. It offers reliable comfort, a compact design, and is future-proof. The boiler is ready for alternative gases and can be combined with a hybrid heat pump.
With the TrendLine boiler, you are bringing the future into your home. The smart software automatically detects your hot water usage patterns, ensuring the perfect balance between comfort and energy savings. Additionally, the TrendLine boiler is designed to accommodate potential changes in gas composition, making it possible to blend biogas.
Thanks to intelligent, self-learning software, the boiler provides optimal comfort with maximum energy efficiency. Want remote control via smartphone? No problem – it works with the well-known Nefit Easy or EasyControl by Bosch. EasyControl even allows room-by-room comfort control.
The TrendLine NxT is factory-fitted for connection to all common flue gas/air supply systems – both parallel and concentric.
✔ Latest generation HR boilers
✔ Self-learning software for comfort and savings
✔ Quietest boiler
✔ Highest efficiency
✔ Savings of several hundred euros per year
✔ More comfort with less energy consumption
| Feature | Value |
|---|---|
| Brand | Nefit |
| Supplier Code | 7736700400 |
| EAN Code | 4054925226744 |
| Discount Group | 010 |
| Width | 440 mm |
| Height | 695 mm |
| Depth | 305 mm |
| Supply Voltage | 230 V |
| Flow Connection | Compression Fitting |
| Return Connection | Compression Fitting |
| Sealed System | Yes |
| Nominal Hot Water Power | 28.7 kW |
| Nominal Upper Heating Load Hot Water | 29 kW |
| Nominal Lower Heating Load Hot Water | 26.1 kW |
| Water Heating Energy Efficiency (Nwh) | 95.8 % |
| Capacity Profile | XL |
| Heat Exchanger Material | Aluminum |
| Adjustable Heating Power | Yes |
| Flow Threshold | 1 l/min |
| Built-in Pump Control | Yes |
| Gaskeur VR/SV | Yes |
| Gaskeur NZ | Yes |
| CW Label | 4 |
| Gaskeur HR | 107 |
| Nominal Lower Heating Load | 25 kW |
| Nominal Upper Heating Load | 27.7 kW |
| Minimum Operating Pressure | 0.5 bar |
| Minimum Return Temperature | 7 °C |
| Maximum Gas Supply Pressure | 30 mbar |
| Hot Water Capacity at 60 °C | 8.2 l/min |
| Built-in Weather-Dependent Controller | No |
| Built-in Expansion Vessel | No |
| Water Resistance at ΔT 20 °C | 16 kPa |
| Nominal Power 80-60 °C | 24.5 kW |
| Maximum Flow Temperature (Operating Temperature) | 90 °C |
| Built-in Fill/Drain Valve | No |
| Built-in Overpressure Valve | No |
| External Pipe Diameter Flow | 22 mm |
| External Pipe Diameter Return | 22 mm |
| Fuel Connection | Compression Fitting |
| External Pipe Diameter Fuel | 15 mm |
| Nominal Channel Diameter Air Supply | 80 mm |
| External Pipe Diameter Cold Water | 15 mm |
| External Pipe Diameter Hot Water | 15 mm |
| Condensate Connection | Flexible |
| External Pipe Diameter Condensate | 22 mm |
| Minimum Gas Supply Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Cold Water Connection | Compression Fitting |
| Hot Water Connection | Compression Fitting |
| Nominal Channel Diameter Flue Gas | 80 mm |
| Burner Control High/Low | Yes |
| Burner Control Modulating | Yes |
| Built-in Manometer | Yes |
| Gaskeur HR | Yes |
| Efficiency | 107 % |
| Pilot Flame | No |
| Second Return Connection | No |
| Control Signal On/Off | Yes |
| Control Signal High/Low | Yes |
| Operation as Open System (Air Supply Possible) | Yes |
| Nominal Power 50-30 °C | 26.2 kW |
| Suitable for Propane | Yes |
| Suitable for Butane | No |
| Maximum Allowable Operating Pressure | 3 bar |
| Hot Water Storage | 0.5 l |
| Conversion Kit Required | Yes |
| Built-in Inlet Combination | No |
