PurePro Products

The contractors’ choice




Visit the official Trio© Boilers web site.

TRIO Boiler
  TRIO Boiler Logo

Shown: Riello F5 Oil Burner with optional stand and Energy Manager Plus II


  • 3-pass wet base Euro design
  • Energy Star rated for high efficiency to 87%
  • Low mass, low water content
  • Lightweight: Small footprint
  • Direct vent capability, no chimney needed (P3~P5)
  • GG20 cast iron for thermal shock protection
  • Recirculating flue gas technology
  • Available burners: Beckett AFG and NX; Riello F5 and BF5; Carlin EZ; and Carlin EZ Gas
  • Quick-disconnects on all burner harnesses
  • Total Access: Full-swing left or right hinged door for complete accessibility
  • Fuel Smart HydroStat® 3250 control
  • Remote sensor and immersion well installed
  • ASME safety relief valve
  • Boiler drain
  • Strongbox crating system
  • Limited Lifetime Warranty

Maximize System Efficiency with
PurePro®'s Energy Manager Plus II

  Energy Manager Plus II

PurePro® offers a complete line of indirect water heaters to complement the TRIO boiler.
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TRIO Boilers   Guarantee

With a single, full-swing door and no baffles to remove, the flue passages are easily accessible for cleaning and servicing.


Guaranteed to save 10%
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TRIO Boilers   One Step Closer to GREEN!

One Step Closer to GREEN!