Spartherm – Linear Tunnel 73×37
The Linear Tunnel 73×37 is a contemporary tunnel fire with an elevating door, making it an ideal room divider. The impressive 9.1 kW heat output also makes it perfect for larger living rooms. The unique, patented elevating door system, combined with an integral handle, creates excellent ease-of-use. If you don’t have space for a tunnel fire, it is also available as a front view model in this size, with detachable handle.
Specifications
| Brand | Spartherm |
| Spartherm ID | Varia AS-FDh-4S |
| Series | Linear |
| Category | Wood fires |
| EcoDesign Ready | Yes |
| Energy efficiency class | A+ |
| Model | Built-in |
| Fire view | Tunnel |
| Shape | Horizontal |
| Fuel | Wood |
| Combustion system | Combustion air from living area |
| Suitable for passive houses | No |
| Glass window | Standard glass, Double glazing |
| Door type | Elevating door with integral handle |
| Control | Manual control, Remote control Sesam, Smartphone/tablet |
| S-Thermatik NEO | Optional |
| Colours | Black |
| Material | Steel |
| Interior | White chamotte, Black chamotte |
| Output net min. (kW) | 4.9 |
| Output net max. (kW) | 9.1 |
| Max. log length (cm) | 33 |
| Efficiency (%) | 80.0 |
| CO emission (%-13% O2) | 0.1 |
| NOx emission (mg/Nm3-13% O2) | 123 |
| Built-in depth (mm) | 457 |
| Fire view width (mm) | 730 |
| Fire view height (mm) | 370 |
| Weight (kg) | 206 |
| Flue | Top |
| Flue Ø (mm) | 180 |
| External air connection | Rear |
| Convection connection | Yes |
| 230V necessary | No |
| Approvals | EN13229, BlmSchV, EcoDesign |
The content of this website is intended for initial assistance only – for full details please contact the showroom or refer to the manufacturers website for each product – there you will find full technical details, the product fiche etc which gives all efficiencies, installation instructions, dimensions and so on. We are more than happy to provide these but do not have the facility on this website. If you let us know which fires you are interested in, we can provide full details by email. If you have any questions at all please let us know. Happy Browsing! In the showroom or by email we are quite happy to provide full technical advice about installation and suitability
Last updated 24 April 2025
