The HDWS 750 L heat pump solar storage tank is the ideal solution for modern heating systems that combine heat pumps and solar systems. This innovative system ensures even heat distribution and thus optimizes the energy efficiency of your heating system.

Made from robust quality steel S275JR and processed according to the strict standards EN 10025 and EN12897:2006, this storage tank stands for durability and the highest quality of workmanship. The enamelled surface in accordance with DIN 4753 also offers optimal corrosion protection and ensures long-term functionality.

Product features at a glance

• Insulation: Up to type 600: 75mm PUR rigid foam (directly foamed) – From type 750: fleece insulation (Made in Germany)
• Two double-wound smooth tube heat exchangers (1 inch tube) for efficient heat transfer
• Highest processing quality thanks to robust quality steel S275JR according to EN 10025, manufactured according to EN12897:2006
• Enamelled according to DIN 4753 for long-lasting corrosion protection
• Operating pressure: 10 bar
• test pressure: 16 bar
• Maximum operating temperature: 95°C
• Up to 5 years warranty (with proven maintenance)