Drinking water storge tanks with elliptical technology - greater efficiency. Greater convenience.

The elliptical heat exchanger pipes and the optimised sensor pipe positions ensure a perfect balance between comfort and energy efficiency. The result: better COP values and more efficient use of the heat pump. 

In addition, the tank offers noticeable efficiency advantages over comparable models with the same volume and heat exchanger surface area. The integrated 1 ½" socket at 50% of the tank volume allows for easy retrofitting of an electric screw-in heating element for greaer comfort and optimised PV solar power utilisation compared to similar products.

  • Permissible operating pressure max. 10 bar
  • Energy efficiency class (ERP): B
  • Magnesium anode 1 ¼" (DIN 4753-3)
  • Heat exchanger: elliptical tube for large heat exchange area - same heat exchange area compared to imilar products with double heat exchangers
  • Full range with 1 ½" connection for electric screw-in heating elements at approx. 50% of the volume - Optimisation of PV self-consumption
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All types

Type Part No. Capacity (l) Heat exchanger surface (m²) Dimension incl. insulation Width | Diameter (mm) Download
BWS-WP+ 200b A 234 03 200 l 2,44 m² 600 mm

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BWS-WP+ 300b A 236 03 300 l 3,46 m² 600 mm

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BWS-WP+ 400b A 242 03 400 l 4,9 m² 700 mm

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BWS-WP+ 500b A 247 99 500 l 5,83 m² 750 mm

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Reserve technical changes