... testing in the factory before shippingCERTIFICATIONSCE, CB, EC, ETL, CETL, C-TICK, WATER MARK, STANDARD MARK, UL, SABS, SANS, SAA, SASO ... ): 24°C/19°C, Water temp.(In/Out): 26°C/28°C;*Heating: Ambient temp.(DB/WB): 15°C/12°C, Water temp.(In/Out): 26°C/28°C ...