... 5.2 3.Vertical fan 4.CE, ETL Swimming pool equipment, heat pump with Titanium heat exchanger, CE,ETL,SAA ... heat pump technology, compared with otherordinary hot water equipment (for example, combustion oil boilers, combustion gas boilers, electronic boilers and so ... high quality pump, creates an extremely quiet machine. Swimming pool equipment, heat pump with Titanium heat exchanger, CE,ETL,SAA