... , ISO,CCC, Keymark & CE approval Separated Pressurized Solar Water Heater, split solar water heater, solar water heater, ISO,CCC, Keymark & CE approval1, Working principle ... YYJ-S02 (complete set) 2) Separate pressurized solar water heater is composed of heat collector, storage tank, controller, ... Vacuum tube: D47*L1500mm/D58*L1800mm, solar vacuum tube with straight copper heat pipe 4) Tube Hail ...