... Pool Heater PHNIX Air to Water Swimming Pool Heater applies titanium coil exchanger and heat pump technology which can move heat ... ozone and it's more environmentally-friedly4) Our titanium heat exchanger use seamless pure titanium tube as heat conductor, can ensure the ... before shippingCERTIFICATIONSCE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS, SANS, SAA, SASO, VDE, RoHS, REACH, ...