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Add to comparison |  |  |  |  |  |  |
|---|---|---|---|---|---|---|
| ALTEK SD-T2L-10 | Roda RSSCV20C | ALTEK SD-T2-24 | ALTEK SC-LH2-10 | Viessmann Vitosol 100-FM SV1F | ALTEK SC-LH3-30 | |
| Outdated Product | Outdated Product | Outdated Product | Outdated Product | Outdated Product | Outdated Product | |
| Type | thermosiphon | flat | thermosiphon | vacuum | flat | vacuum |
| Loop system | open | closed | open | closed | closed | closed |
| Mounting | inclined | horizontal | inclined | universal | universal | universal |
| Suitable for | DHW | DHW | DHW | heating and DHW | heating and DHW | heating and DHW |
| Year-round use |  |  | | | | |
Design | ||||||
| Absorber material | copper | copper | copper | |||
| Absorber area | 1.89 m² | 2.51 m² | 0.94 m² | 2.31 m² | 2.42 m² | |
| Aperture area | 0.94 m² | 1.92 m² | 0.81 m² | 2.33 m² | 2.82 m² | |
| Total collector area | 2.07 m² | 1.28 m² | 2.51 m² | 3.84 m² | ||
| Tube type | coaxial vacuum heat pipe | coaxial vacuum direct heating | coaxial vacuum direct heating | coaxial vacuum direct heating | ||
| Tube size (øxH) | 58x1800 mm | 58x1800 mm | 58x1800 mm | 58x1800 mm | ||
| Number of tubes | 15 | 24 | 10 | 30 | ||
Technical specs | ||||||
| Max. pressure | 10 bar | 6 bar | 10 bar | |||
| Efficiency | 95 % | 75.3 % | 74.7 % | |||
| Absorber absorption coef. α | 95 % | 81.3 % | ||||
| Absorber emissivity coef. ε | 5 % | |||||
| Stagnation temperature | 145 °C | |||||
| Heat loss coef. k1 | 3.849 W/m²*K | |||||
| Heat loss coef. k2 | 0.045 W/m²*K | |||||
More specs | ||||||
| In box | 1 collector water heater | 1 collector | 1 collector water heater | 1 collector | 1 collector | 1 collector |
| Expansion vessel | 5 L | |||||
| Water heater capacity | 100 L | 240 L | ||||
| Electric heater | | | /1500 W/ | | | |
| Frame material | steel | steel | aluminium | aluminium | ||
| Dimensions (WxHxD) | 1041x1988x90 mm | 802x1990x188 mm | 1056x2380x73 mm | 2385x1960x1360 mm | ||
| Collector weight | 215 kg | 37.2 kg | 40 kg | 39 kg | 100 kg | |
| Added to E-Catalog | january 2018 | july 2017 | june 2017 | january 2019 | january 2019 | january 2019 |