THORMA ALVESTA II Steel is a black steel wood-burning stove for supplementary intermittent room heating. It has an external-air connection and a top flue outlet.
Manufacturer model designation: ALVESTA II Steel, type F9480 4*. Product code: 948021061.
| Nominal output - wood | 7.5 kW |
| Nominal output - briquettes | 8.0 kW |
| Heating capacity | 98-190 m³ |
| Dimensions (W × D × H) | 549 × 391 × 927 mm |
| Net weight | 91 kg |
| Efficiency - wood / briquettes | 80% / 83% |
| Fuel consumption - wood / briquettes | 2.2 / 1.8 kg/h |
| Flue outlet | Ø150 mm, top |
| Draught - wood / briquettes | 11 / 12 Pa |
| Flue gas temperature - wood / briquettes | 268 / 233 °C |
| Flue gas mass flow - wood / briquettes | 7.9 / 7.7 g/s |
| Firebox dimensions (H × W × D) | 430 × 370 × 295 mm |
| Firebox lining | vermiculite |
| Energy class | A |
| Operation | door closed |
Emissions (wood / briquettes, 13% O₂): CO 845 / 836; PM 29 / 30; OGC 64 / 88; NOx 127 / 196 mg/Nm³. Seasonal space-heating efficiency 70% / 73%.
Safety distances: Distances to combustible materials according to the current DoP: front 1500 mm, rear 150 mm, side 200 mm, side radiation area 1500 mm and ceiling >750 mm.
Documents
Installation and operating instructions (EN)
Declaration of Performance (DoP)
Declaration of Conformity (DoC)
Energy label
Dimensional drawing
Product data sheet
Manufacturer manual
Certificate
