The German heating technology brand Delphis-therm develops storage and thermal equipment for reliable, long-term use. The manufacturer's storage tanks are designed for easily installable, high-capacity systems.
The Delphis-therm S 400-2 standing solar domestic hot water storage tank featured in the advertisement belongs to the 400-liter nominal capacity class, featuring two built-in heat exchangers. According to the data plate, the domestic hot water side volume is 382 liters, the permissible operating pressure is 10 bar, and the permissible operating temperature is 95 °C. On the heating side, the data plate indicates a maximum operating pressure of 16 bar and a maximum operating temperature of 110 °C. The appliance can be used in systems designed with solar collectors and other heat sources.
The photos show the specific Delphis-therm storage tank and its corresponding factory data plate. Currently, the price of a new 400-liter, dual-heat-exchanger solar hot water storage tank typically ranges from approximately 1,250 to 1,550 EUR depending on equipment and manufacturer, and can be even higher for premium versions.
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