Thermodynamic Water Heater Stelios Monoblock Floor Model 250 L – High energy performance The thermodynamic monoblock boiler Stelios 250 L allows for the economical production of domestic hot water. Equipped with a heat pump, it uses the free calories from the ambient or outside air to produce hot water. A clean, inexhaustible, and free energy source! Energy Performance Equipped with the natural R290 refrigerant, this boiler offers excellent energy efficiency with a COP of 3.77 and an energy class of A+. Energy Class: A+ COP: 3.77 Heating time to 45°C: 7h 30 Operating range: -7°C to +43°C Flexible Installation This monoblock floor model can operate on ambient air or outside air, allowing for optimized calorie recovery based on the configuration. Possibility of air ducting (intake and exhaust) Air outlet diameter: 160 mm Power supply: 230 V single-phase Ease of Use The intuitive digital control panel makes it easy to program hot water production and select from different operating modes. Boost mode: rapid heating Silence mode: discreet operation Holiday mode: optimized consumption when absent Sound power: 58dB(A) Reliability and Safety Designed for longevity, this boiler features a high-quality enameled inner tank and various safety devices ensuring reliable and safe operation. Overpressure protection Overheating protection Frost protection Electrical protection Pressure relief valve Technical Features Capacity: 250 L Refrigerant: R290 Power supply: 230 V single-phase Hydraulic connection: 3/4"" M Dimensions (W x D x H): 66 x 72.5 x 176 cm Weight: 106 kg Standards: CE, RoHS Protection rating: IPX1 Made in PRC" Made in PRC