... Water Converter is designed for the domestic pool. The application of R410A refrigerant which will not do harm to the ozone ... HIgh efficiency compressor with R410A refrigerant6) Flow switch for water flow protection7) Intelligent controller and adjustment by quick-mind microprocessor8 ... the factory. CERTIFICATIONSCE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS, SANS, SAA, SASO, VDE, ...