The TT20 is the range's slim model incorporating straight steel sides.
The range’s slim basic model. The stove has straight steel sides lacquered in black or grey.
For those who want all of the TT20 advantages for an economic price.
Operation of the stove is so simple that anyone can quickly and easily become familiar with it. The air intake has a single operating handle which gives immediate control.
| Nominal Effect (kW) | 5 |
| Operating Range (kW) | 3 – 7 |
| Efficiency (%) | 83.4 |
| Heats (m²) | 30 – 120 |
| Weight (kg) | 118 |
| Fresh Air Connection Possible | Yes |
| Convection Stove | Yes |
| Airwash | Yes |
| Ash Drawer | Yes |
| Control Handle | 1 |
| Connection at the Top or Rear | Yes |
| Colours | Black and Grey |
| Height x Width x Depth (mm) | 1053 x 478 x 419 |
| Flue Pipe Connection Diameter (mm) | 150 |
| Combustion Chamber Width/Depth (mm) | 340 / 271 |