The Nefit TrendLine II is the first in a new generation of high-quality HR boilers. Reliable comfort, compact design, and "future-proof." Ready for different types of gas and for combination with a hybrid heat pump.
Future-Proof
With the TrendLine boiler, you bring the future into your home. The most advanced software available right now automatically detects patterns in your hot water usage. This allows the boiler to provide the optimal balance between comfort and energy savings. Additionally, the TrendLine boiler is ready for potential changes in gas composition, and blending in biogas is possible.
The Smartest Combination: A+
Smart, self-learning software automatically ensures optimal comfort and maximum energy savings from the boiler. Remote control via smartphone? No problem, this can be done through the well-known Nefit Easy or Bosch EasyControl. The latter even allows you to control comfort in each room individually.
Equipped with a patented universal adapter
The TrendLine NxT is factory-ready for connection to all common flue gas/air intake systems, both parallel and concentric.
Features:
- Latest generation HR boilers
- Self-learning software for comfort and savings
- Quietest boiler
- Highest efficiency
- Savings of several hundred euros per year
- More comfort, less energy
Technical Specifications
| Feature |
Value |
| Brand |
Nefit |
| Supplier Code |
7736700400 |
| EAN Code |
4054925226744 |
| Discount Group |
010 |
| Width |
440 mm |
| Height |
695 mm |
| Depth |
305 mm |
| Voltage |
230 V |
| Flow Connection |
Compression |
| Return Connection |
Compression |
| Closed Design |
Yes |
| Nominal Hot Water Power |
28.7 kW |
| Nominal Upper Hot Water Power |
29 kW |
| Nominal Lower Hot Water Power |
26.1 kW |
| Water Heating Energy Efficiency (Nwh) |
95.8 % |
| Capacity Profile |
XL |
| Heat Exchanger Material |
Aluminium |
| Adjustable Heating Power |
Yes |
| Hot Water Flow Threshold |
1 l/min |
| Built-in Pump Switching |
Yes |
| Gas Certification VR/SV |
Yes |
| Gas Certification NZ |
Yes |
| CW Label |
4 |
| Gas Certification HR |
107 |
| Nominal Lower Load |
25 kW |
| Nominal Upper Load |
27.7 kW |
| Min. Operating Pressure |
0.5 bar |
| Min. Return Temperature |
7 °C |
| Max. Gas Inlet Pressure |
30 mbar |
| Hot Water Capacity at 60 °C |
8.2 l/min |
| Built-in Weather-Dependent Regulator |
No |
| Built-in Expansion Vessel |
No |
| Hydraulic Resistance at ΔT 20 °C |
16 kPa |
| Nominal Power 80-60 °C |
24.5 kW |
| Max. Inlet Temperature (Operating Temperature) |
90 °C |
| Built-in Fill/Drain Valve |
No |
| Built-in Overpressure Valve |
No |
| External Pipe Diameter Inlet |
22 mm |
| External Pipe Diameter Return |
22 mm |
| Fuel Connection |
Compression |
| External Pipe Diameter Fuel |
15 mm |
| Nominal Pipe Diameter Air Intake |
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 |
| Min. Gas Inlet Pressure |
20 mbar |
| Suitable for Natural Gas |
Yes |
| Cold Water Connection |
Compression |
| Hot Water Connection |
Compression |
| Nominal Pipe Diameter Flue Gas Outlet |
80 mm |
| Burner Control High/Low |
Yes |
| Modulating Burner Control |
Yes |
| Built-in Manometer |
Yes |
| Gas Certification HR |
Yes |
| Efficiency |
107 % |
| Pilot Flame |
No |
| Second Return Connection |
No |
| Control Signal On/Off |
Yes |
| Control Signal High/Low |
Yes |
| Operation as Open Version (Air Intake Possible) |
Yes |
| Nominal Power 50-30 °C |
26.2 kW |
| Suitable for Propane |
Yes |
| Suitable for Butane |
No |
| Max. Allowable Operating Pressure |
3 bar |
| Hot Water Storage |
0.5 l |
| Conversion Kit Required |
Yes |
| Built-in Inlet Combination |
No |
