... well-known brand throttling devices can control the refrigerant flow more accurately3) Compact structure and good demountabality4) Titanium ... life of 15 years5) HIgh efficiency compressor with R410A refrigerant6) Flow switch for water flow protection7) Intelligent controller and ... , AHRI, ISO9001, Six Sigma, Lean Production and Management MACON swimming pool heater(CE, CB, EC, ETL, CETL, C-TICK, ...