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EcoStock tanks are optimal for heat storage or hot water preparation in private and commercial facilities. Whether they are used as a capacitive water heater or storage tank - you will always get the best solution according to your requirements.

Highest quality WATERKOTTE
Thanks to the use of high-quality tanks of the EcoStock series, it is possible to create various configurations of heating systems. EcoStock is ideal for integration with WATERKOTTE heat pumps. The modern design corresponds to the design typical for all model range of the WATERKOTTE company.
Best corrosion protection
Capacitive water heaters are made of high quality steel. The FC-Protect method is used to process welds. Additional corrosion protection is provided by an anti-corrosion rod.
High performance
WATERKOTTE floor tanks have highly effective thermal insulation. In combination with WATERKOTTE heat pumps, they are an efficient and convenient solution for heat storage and hot water supply.


  • Capacitive water heater with high quality insulation
  • Made of high quality S 235 JR steel
  • Standard tanks from 200 to 1000 l
  • Special tanks with a capacity of more than 1000 liters
  • Universal connections for use as a hydraulic manifold or layered storage tank
  • Flange for cleaning and inspection
  • Pointer thermometer
  • G1 hot / cold water connection
  • High-quality thermal insulation made of rigid polyurethane foam that does not contain fluorochlorocarbon
  • Exterior cladding Skai color RAL 9003
  • Enamel coating according to DIN 4753
  • Anti-corrosion magnesium anode
  • Optional with large area smooth tube heat exchanger optimized for use with heat pumps


  • Flange with optional heat exchanger
  • Electric heating flange
  • DC anti-corrosion anode