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The Nefit ProLine NxT is the smallest combi boiler of its kind and fits anywhere, even in a kitchen cupboard. The ProLine NxT HR boiler provides exceptionally high efficiency for heating and hot water. With its low standby consumption and energy-efficient pump, the unit easily meets the latest energy guidelines.
Proven Concept, Ready for the Future With hundreds of thousands of installed boilers, the ProLine boiler is one of the most reliable units in its class. This boiler is ready for future changes in gas composition. The blending of biogas is also possible.
New Generation: Even More Energy-Efficient The ProLine NxT is a boiler from the latest generation. Optimal comfort and even more energy savings. With extremely high efficiency for heating and hot water, very low standby consumption, and up to 75% more energy-efficient Low Energy pump, this unit saves up to €195 per year (Energy Label A).
Equipped with Patented Universal Adapter The ProLine NxT is factory-fitted for connection to all common flue gas/air supply systems, both parallel and concentric.
Features:
Technical Specifications:
| Feature | Value |
|---|---|
| Brand | Nefit |
| Supplier Code | 7746901851 |
| EAN Code | 4054925005042 |
| Width | 350 mm |
| Height | 580 mm |
| Depth | 280 mm |
| Supply Voltage | 230 V |
| Supply Connection | Compression |
| Return Connection | Compression |
| Sealed Version | Yes |
| Nominal Hot Water Output | 30.5 kW |
| Nominal Upper Hot Water Load | 30.8 kW |
| Nominal Lower Hot Water Load | 27.7 kW |
| Water Heating Efficiency (Nwh) | 90.7 % |
| Capacity Profile | XL |
| Heat Exchanger Material | Stainless Steel (RVS) |
| Adjustable Heating Output | Yes |
| Hot Water Threshold | 1 l/min |
| Built-in Pump Control | Yes |
| Gas Certification VR/SV | Yes |
| Gas Certification NZ | Yes |
| CW Label | 4 |
| Gas Certification HR | 107 |
| Nominal Lower Load | 23.5 kW |
| Nominal Upper Load | 26.1 kW |
| Minimum Operating Pressure | 0.8 bar |
| Minimum Return Temperature | 7 °C |
| Maximum Gas Pressure | 30 mbar |
| Hot Water Capacity at 60 °C | 7.5 l/min |
| Built-in Weather-Dependent Controller | No |
| Built-in Expansion Vessel | No |
| Hydraulic Resistance at dT 20 °C | 17 kPa |
| Nominal Output 80-60 °C | 22.8 kW |
| Maximum Supply Temperature (Operating Temp) | 85 °C |
| Built-in Filling/Drain Valve | No |
| Built-in Overpressure Valve | No |
| External Pipe Diameter Supply | 22 mm |
| External Pipe Diameter Return | 22 mm |
| Fuel Connection | Compression |
| 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 | Other |
| External Pipe Diameter Condensate | 32 mm |
| Minimum Gas Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Cold Water Connection | Compression |
| Hot Water Connection | Compression |
| Nominal Channel Diameter Flue Gas Outlet | 80 mm |
| Burner Control High/Low | Yes |
| Burner Control Modulating | 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 |
| Control Signal OpenTherm | Yes |
| Operation as Open Version (Air Supply) | Yes |
| Nominal Output 50-30 °C | 24.7 kW |
| Suitable for Propane | Yes |
| Suitable for Butane | No |
| Maximum Allowed Operating Pressure | 3 bar |
| Hot Water Storage | 0.5 l |
| Conversion Kit Required | Yes |
| Built-in Inlet Combination | No |
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