... 2.COP: 5.2 3.Patent Titanium heat exchanger 4.CE & ETL Air To Water Pool Heat Pump, Spa heat pump ... the factory. CERTIFICATIONSCE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS, SANS, SAA, SASO, VDE, RoHS, REACH, NF414 ... Production and Management MACON swimming pool heater(CE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS, SANS, SAA, SASO ...