The TRIO boiler has a unique turnaround design and creates optimal flue gas passages through the boiler, creating high efficiency.

Ideal For

Residential usage with heating oil or propane


  • Powerful source of heating for all of the modern zoned heat delivery systems, including baseboard, in-floor radiant, steel panel radiators and free standing radiators
  • Multiple venting options are available to meet the needs of your home, even if you don’t have a chimney


  • Recirculating flue gas technology
  • Indoor or optional outdoor reset
  • Multi-fuel – both oil or gas applications
  • Superior serviceability allows for complete access to all flue passages


For complete warranty information, please visit the Trio website.

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Additional Information

Fuel Type

Heating Oil, Propane

AFUE Rating

Up to 86.9%

Manufacturer Website

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Product Brochure

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