www.supplyht.com/articles/92320-product-preview-solar-panel-tank-water-heating-system
Product Preview...Solar Panel/Tank Water Heating System
June 1, 2008

Stiebel Eltron manufactures components and thermal solar systems for domestic hot water, consisting of a well-insulated storage tank with heat exchanger(s) and flat plate collector panel(s). This closed-loop solar hot water system works for both commercial and residential applications, including space heating and swimming pools. The solar equipment has a 5-year warranty.
Stiebel Eltron
Circle 227