The Vitocal 150-A air/water heat pumps offer excellent quality and performance, the Vitocal 150-A with 4, 6 and 8 kW outdoor units are designed for new buildings. The more powerful unit with 10, 13 and 16 kW outdoor units, achieves a flow temperature of 70 °C thanks to its well-designed refrigeration circuit with the propane refrigerant (R290) and is therefore also recommended for retrofit projects.
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