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The right solar upgrade for each KÜNZEL boiler

Our range of products includes a solar upgrade kit designed specifically for the process water preparation and for the heating support including process water preparation. The upgrade kits are designed such that they can be optimally installed in a 3- to 4-person household.

The upgrade kits include all main components for a solar system except for the pipelines. The upgrade kit is generally delivered for roof installation (Frankfurter Pfanne). In-roof installation or installation on flat roofs and other collector equipment is also possible.

Solar upgrade kit for process water

On-roof system 6.3m², upright configuration

  • 3 high-power flat collectors
  • On-roof installation set Frankfurter Pfanne
  • One-circuit controller including 2 sensors
  • One-line solar station
  • Antifreeze


Solar upgrade kit for heating and process water

On-roof system 12.6m², upright configuration

  • 2×3 high-power flat collectors
  • On-roof installation set Frankfurter Pfanne
  • One-circuit controller including 2 sensors
  • One-line solar station
  • Antifreeze
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