Three quality ranges make it possible to choose between the particularly high-quality low-temperature units made from chrome-molybdenum-titanium stainless steel – JetWIN "Exklusiv" and JetWIN "Premium" and the low-temperature JetWIN "Klassik" unit made from special steel. | JetWIN Exklusiv | JetWIN Premium | JetWIN Klassik
| | Boiler material | Stainless steel | Stainless steel | Special steel
| | Efficiency | Up to 96% | Up to 95% | Up to 94%
| | Lower temperature limiter | none | none | 40°C
| | Guarantee provisions | 5-year full guarantee and 10-year material guarantee | 5-year full guarantee and 10-year material guarantee | 5-year full guarantee |
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