The Boilers used for the storage of heat energy produced by the solar panels during the day. They can be placed either above the collectors (thermosiphon system) or separately (central system).
The tanks DIANA manufactured using European and national standards in quality control at every stage of their production. For the construction of the boiler used DKP 2.5mm 1.5mm steel and the jacket.
Then enamelled at DIN 4753 Teil 3 & 6 from yalokrama (Glass) 2 microns thick and baked at a temperature of 850 ° C. The company DIANA also has the ability to manufacture quality INOX tanks or bronze on request.