Add to comparison |  |  |  |  |  |  |
|---|---|---|---|---|---|---|
| ALTEK SC-LH3-20 | Viessmann Vitosol 100-FM SV1F | WOLF CFK-1 | ALTEK SD-T2L-10 | ALTEK SC-LH3-30 | ALTEK SC-LH2-15 | |
| Outdated Product | Outdated Product | Outdated Product | Outdated Product | Outdated Product | Outdated Product | |
| TOP sellers | ||||||
| Type | vacuum | flat | flat | thermosiphon | vacuum | vacuum |
| Loop system | closed | closed | closed | open | closed | closed |
| Mounting | universal | universal | inclined | inclined | universal | universal |
| Suitable for | heating and DHW | heating and DHW | heating and DHW | DHW | heating and DHW | heating and DHW |
| Year-round use |  | |  | | | |
Design | ||||||
| Absorber material | copper | copper | copper | copper | ||
| Absorber area | 1.61 m² | 2.31 m² | 2.42 m² | 1.21 m² | ||
| Aperture area | 1.88 m² | 2.33 m² | 2.1 m² | 0.94 m² | 2.82 m² | 1.41 m² |
| Total collector area | 2.6 m² | 2.51 m² | 2.3 m² | 3.84 m² | 1.92 m² | |
| Tube type | coaxial vacuum direct heating | coaxial vacuum heat pipe | coaxial vacuum direct heating | coaxial vacuum direct heating | ||
| Tube size (øxH) | 58x1800 mm | 58x1800 mm | 58x1800 mm | 58x1800 mm | ||
| Number of tubes | 20 | 15 | 30 | 15 | ||
Technical specs | ||||||
| Max. pressure | 10 bar | 6 bar | 10 bar | 10 bar | 10 bar | |
| Efficiency | 75.3 % | 76.7 % | 95 % | 74.7 % | 75.1 % | |
| Mirror reflection coef. p | 5 % | |||||
| Glass transparency coef. t | 95 % | |||||
| Absorber absorption coef. α | 81.3 % | |||||
| Stagnation temperature | 145 °C | 196 °C | ||||
| Heat loss coef. k1 | 3.849 W/m²*K | 3.669 W/m²*K | ||||
| Heat loss coef. k2 | 0.045 W/m²*K | 0.018 W/m²*K | ||||
More specs | ||||||
| In box | 1 collector | 1 collector | 1 collector | 1 collector water heater | 1 collector | 1 collector |
| Expansion vessel | 5 L | |||||
| Water heater capacity | 100 L | |||||
| Frame material | aluminium | steel | aluminium | aluminium | ||
| Dimensions (WxHxD) | 1635x1960x1360 mm | 1056x2380x73 mm | 1099x2099x110 mm | 2385x1960x1360 mm | 1255x1990x188 mm | |
| Collector weight | 68 kg | 39 kg | 36 kg | 215 kg | 100 kg | 53 kg |
| Added to E-Catalog | january 2019 | january 2019 | august 2020 | january 2018 | january 2019 | july 2017 |
