Design
| CW inspection label class |
3 |
| Gas inspection label |
CW |
| Boiler type (NL label) |
VR |
| Fuel type |
Natural gas |
| Heater location |
Indoor |
| Solar batteries support |
N |
| Boiler system |
Combi boiler system |
Performance
| Water flow (60 °C) |
7.3 l/min |
| Maximum power |
26000 W |
Vaillant VCW 254/4. Boiler system: Combi boiler system, Heater location: Indoor, Placement supported: Vertical