... your home. They can be used in any climate, and the fuel they use-sunshine-is free.We have CE, CCC ... . In one-tank systems, the back-up heater is combined with the solar storage in one tank. The split pressurized solar water heater includes ... Heaters (SWH), including Compact Non-pressurized SWH, Compact Pressurized SWH, Split Pressurized SWH and Flat-plate type SWH.For more information ...