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EcoFlex90+ - 90% Boiler Efficiency without Boiler Replacement

EcoFlex 90+ - a packaged modulating fan-powered economizer – may be the single design that combats all the challenges in the typical economizer. It opens the energy recovery up to practically any combustion appliance application.

With the EcoFlex 90+ system the designer can now view the application as a complete “boiler plant” as the full load to work with, instead of one economizer per boiler. And the “boiler plant” can consist of a combination of boiler types such as forced draft boilers and atmospheric water heaters that utilize a single modulating demand-controlled economizer.

And what is even better – all boilers will always have the perfect draft conditions due to the variable speed boiler fan controlled by a modulating fan controller.

The bottom line is: design flexibility, reduced emissions, improved boiler efficiency, high return on investment.

If you want to learn more about Modulating Fan-Powered Economizers vs. Traditional Economizers, read this article.

Benefits of the EcoFlex90+ Packaged Modulating Fan-Powered Economizer:

  • Single EcoFlex90+ system for single and multiple boilers.
  • For atmospheric, fan-assisted or forced draft boilers - or any combination.
  • Always perfect boiler draft conditions.
  • Variable or constant water flow.
  • Reduces and maintains low emissions, including NOx.
  • Spark-resistant construction with TEFC-motor with direct drive and true variable speed (inverter duty).
  • Easy programming of essential functions (80 parameters are programmable for customized solutions).
  • Easy upgrade, fast payback!


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