solar system: 1.high hot water produced,use heat tube for ... .CE,ISO9001,CCC,easy instal,reliable quality 3.do OEM solar energy system:2. Specification: 1×2 m², the water can rise ... no blasting etc.4. Free of charge in using the solar energy to get the hot water, very economy.5. Operated ... the heat of the Solar Water Heater to cook, make hot water drink, wash dishes etc, to save much more electric ...