ARC Solar Products
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Condensing Boilers

These condensing boilers can be used to bring solar pre-heated water up to the desired temperature most effectively. With an efficiency of 97% the boilers ensure a reliable hot water supply while minimizing environmental consequences. Condensing boilers are the perfect secondary heat sources for solar thermal systems.




Viessmann Vitodens 200

  • Inox radial heat exchanger surface
  • modulating matrix compact gas burner
  • new compact Inox radial heat exchanger surface
  • AFUE: up to 94.2%
  • low power consumption
  • User-friendly indoor/outdoor comfort control
  • Easy to install, maintain, and service
  • Plug-in connection system
  • self-regulating gas burner
  • variable speed weather responsive KM-BUS pump


For projects with large water heating requirements, a line of commercial/industrial boilers is available.

We'd be delighted to provide you with a quote for your project