... about they may affect the apperance of your house.Details description:1. Components: This system is composed ... , expansion tank and installation parts. 2. Technical and Material Details Description: Solar tank : Avaliable Capacity: 100L,120L,150L ... <30mm. Low temperature resistance: > - 40ºC. Frame Material : aluminum alloy. Workstation: Includes Intelligent controller,WILO pump,Expansion vessel ...