The HDWS 500 L heat pump solar storage tank was specially developed for modern heating systems in which heat pumps and solar systems work together. With the latest technology and high-quality materials, it ensures even heat distribution and increases the energy efficiency of your heating system.

Thanks to the innovative insulation - up to type 600 with 75mm PUR rigid foam (directly foamed) and from type 750 with fleece insulation (Made in Germany) - the storage tank achieves excellent insulating properties. Two double-wound smooth tube heat exchangers (1 inch tube) guarantee optimal heat transfer. The workmanship from robust quality steel S275JR, designed according to EN 10025 and EN12897:2006 and enamelled according to DIN 4753, ensures durability and high corrosion protection. You also receive a guarantee of up to 5 years (with proven maintenance).

Product features at a glance

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