... HIgh efficiency compressor with R410A refrigerant6) Flow switch for water flow protection7) Intelligent controller and adjustment by quick-mind microprocessor8 ... (with reverse cycle valve inside)11) General and operational test carried out for every unit before pacage in the factory ... . CERTIFICATIONSCE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS, SANS, SAA, SASO, VDE, ...