The ecoTEC pure is Vaillant’s reliable basic model! The components of this high-efficiency boiler are of such high quality that the unit is extremely low-maintenance and exceptionally durable. Additionally, the ecoTEC pure can be used both as a heating boiler and as a combination boiler (suitable for heating and hot water).
The ecoTEC pure embodies pure quality! Both the heat exchanger and the plate heat exchanger are made of stainless steel, making them corrosion-resistant and preventing contamination. Furthermore, the ignition and ionization electrodes have an extremely long lifespan.
The ecoTEC pure features a "warm start" function, which provides instant hot water at the desired temperature without waiting for it to heat up. The unit also has a clear and user-friendly display. Additionally, it can be controlled remotely via the vSMART smart thermostat.
✔ Up to 15% more efficient than an older high-efficiency boiler
✔ Energy-saving high-efficiency pump
✔ Very low energy loss in standby mode
✔ Available in CW classes 3, 4, and 5
| Feature | Value |
|---|---|
| Brand | Vaillant |
| Supplier Code | 0010020371 |
| EAN Code | 4024074788820 |
| Discount Group | 016 |
| Width | 440 mm |
| Height | 720 mm |
| Depth | 337 mm |
| Nominal Voltage | 230 V |
| Material Quality | Other |
| Flow Connection | Compression Fitting |
| Return Connection | Compression Fitting |
| Closed System | Yes |
| Nominal Hot Water Power | 24.1 kW |
| Nominal Load (Upper Heating Value) Hot Water | 27.2 kW |
| Nominal Load (Lower Heating Value) Hot Water | 24.5 kW |
| Energy Efficiency Water Heating (Nwh) | 86% |
| SEER (Ns) in Average Conditions | 92 |
| SEER (Ns) in Colder Conditions | 97.1 |
| SEER (Ns) in Warmer Conditions | 87.2 |
| Capacity Profile | XL |
| Energy Efficiency Class Heating | A |
| Energy Efficiency Class Water Heating | A |
| Nominal Hot Water Pipe Diameter | 1/2" (15) |
| Additional Power Consumption at Full Load (ELmax) | 0.02 kW |
| Useful Heat Output at High Temperature (P4) | 18.5 kW |
| Useful Efficiency at High Temperature (n4) | 87.2% |
| Additional Power Consumption in Standby Mode (Psb) | 0 kW |
| Standby Heat Loss (Pstby) | 0.05 kW |
| Integrated Economizer | No |
| Max Hydrogen Percentage in Natural Gas Mixture | 0% |
| Suitable for Low-Calorific Natural Gas | Factory Default |
| Suitable for High-Calorific Natural Gas | Manually Adjustable |
| Suitable for Propane | With Conversion Kit (Not Included) |
| Suitable for Butane | No |
| Suitable for Methane | No |
| Suitable for LPG | No |
| Suitable for Hydrogen | No |
| Heat Exchanger Material | Stainless Steel (RVS) |
| Adjustable Heating Power | Yes |
| Nominal Cold Water Pipe Diameter | 1/2" (15) |
| Tap Threshold | 1.5 l/min |
| Integrated Pump Control | Yes |
| Gaskeur VR/SV | Yes |
| Gaskeur NZ | Yes |
| CW Label | 3 |
| Nominal Load (Lower Heating Value) | 19.1 kW |
| Nominal Load (Upper Heating Value) | 21.2 kW |
| Minimum Operating Pressure | 0.3 bar |
| Minimum Return Temperature | 1 °C |
| Max Gas Supply Pressure | 30 mbar |
| Hot Water Capacity at 60 °C | 6.9 l/min |
| Built-in Weather-Dependent Controller | No |
| Built-in Expansion Vessel | No |
| Nominal Power 80-60 °C | 18.5 kW |
| Max Flow Temperature (Operating Temperature) | 85 °C |
| Max Operating Pressure | 3 bar |
| Built-in Fill/Drain Valve | No |
| Built-in Overpressure Valve | Yes |
| External Pipe Diameter Flow | 22 mm |
| External Pipe Diameter Return | 22 mm |
| Fuel Connection | Compression Fitting |
| External Pipe Diameter Fuel | 15 mm |
| Air Supply Connection | Socket |
| Nominal Air Supply Channel Diameter | 80 mm |
| Flue Gas Connection | Socket |
| External Cold Water Pipe Diameter | 15 mm |
| External Hot Water Pipe Diameter | 15 mm |
| Condensate Drain Connection | Flexible |
| External Condensate Drain Pipe Diameter | 25 mm |
| Min Gas Supply Pressure | 20 mbar |
| Suitable for Natural Gas | Yes |
| Gaskeur VR | No |
| Cold Water Connection | Compression Fitting |
| Hot Water Connection | Compression Fitting |
| Nominal Flue Gas Channel Diameter | 80 mm |
| Burner Control High/Low | No |
| Burner Control Modulating | Yes |
| Built-in Manometer | No |
| Gaskeur HR | Yes |
| Efficiency | 107% |
| Pilot Flame | No |
| Second Return Connection | No |
| Control Signal On/Off | Yes |
| Control Signal High/Low | No |
| Control Signal 0-10V | No |
| Control Signal OpenTherm | No |
| Operation as Open System (Air Supply Possible) | Yes |
