... which can move heat from the surroundings to the pool water. The use of R410A refrigerant makes the unit in ... the factory before shippingCERTIFICATIONSCE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS, SANS, SAA, SASO, VDE, RoHS, REACH, NF414, ... EN14511-2:2011, AHRI, ISO9001, ISO14001, Six Sigma, Lean Production and Management Air to Water Swimming ...