... Keymark & CE approval Separated Pressurized Solar Water Heater, split solar water heater, solar water heater, ISO,CCC, Keymark & CE approval1, ... -S02 (complete set) 2) Separate pressurized solar water heater is composed of heat collector, storage tank, controller, working ... , expansion vessel, flowing meter, pressure gauge and installation parts 3) Vacuum tube: D47*L1500mm/D58*L1800mm, solar vacuum ...