... ISO9001,CE,SRCC,SPF water storage tank solar water heater, high pressure water storage tank ,solar hot water tanksFeatures:1 ... long. 2. For the all closed separated tank, the rated pressure is 0.6Mpa. 3. ... It adopts the super thick insulation layer, because it can keep warm and save electric ... overflow automatically, so that the dirt in the tank can be drained easily. 5. Temperature pressure ...