... Certificate: ISO,CE,SGS 2 SABS SRCC SOLAR KEYMARK Standard 3 OEM Available split solar system for shower or swimming poolsize: 47mm,1500mm,/ ... work with work station,make a full system completely autumatic, you can uae hot water anytime, high efficient,and no-pollution. ... each parts, each system have manual instruction.4.use copper pipe for transfer hot, more high efficient, and water more clear,because ...