DHW-B 500 PR2 Solar Storage Tank | High Efficiency Double Coil for Domestic Hot Water

The DHW-B 500 PR2 double-coil storage tank is a compact, robust, and high-performance solution for the production and storage of domestic hot water (DHW) in solar thermal energy systems. Designed to optimize energy efficiency , this model offers a usable capacity of 451 liters , ideal for homes, residential buildings, and professional installations seeking efficiency and sustainability .

Its structure incorporates two internal coils : a main coil of 1.95 m² , especially suitable for solar thermal systems , and a secondary coil of 1.28 m² , perfect for use with boilers or heat pumps . The lower coil achieves an efficiency of 14.7 / 60 NL / kW , while the upper coil offers 8.9 / 40 NL / kW , guaranteeing fast and efficient heat transfer .

This storage tank withstands pressures up to 10 bar and temperatures up to 110 °C , ensuring reliability and safety in all types of applications. Its compact design (760 mm in diameter and 1921 mm in height) and the Plug & Flow system allow for quick and easy installation , especially when carried out by A Plus Rehabilitación Energética SL , a company specializing in the installation of solar energy systems and energy efficiency .

It includes 100 mm of thermal insulation , an energy rating of B , and a STRGO solar control unit that calculates available heat without requiring maintenance . Furthermore, it incorporates a high-efficiency RLGHE circulation pump and is compatible with all SONNENKRAFT solar systems , making it a versatile and future-proof energy solution.

The DHW-B 500 PR2 interaccumulator is the perfect choice for those who want a reliable, efficient and durable solar tank , with the technical support of A Plus Rehabilitación Energética SL for a professional and optimized installation .

Download the Technical Sheet .