Condensing Boilers
Endura+ (EDR+) Ultra High Efficiency Condensing Hydronic Boiler (2000kW to 7000kW)

Endura+ (EDR+) Ultra High Efficiency Condensing Hydronic Boiler

Designed for variable primary flow systems, Fulton’s ENDURA+ firetube condensing boilers represent a revolution in firetube condensing boiler technology.
Whereas conventional boiler designs transfer stresses directly onto the most critical components, Fulton’s patent-pending stress reliever completely eliminates these stresses and significantly increases boiler longevity.
ENDURA+ provides industry-leading performance without sacrificing durability.

A Revolution in Firetube Condensing Boiler Design

With an ultra-compact footprint, automatic maintenance reminders, and trending data logs, the ENDURA+ is easier to install and service.

  • Fits through a standard doorway*
  • Access panels detach in seconds
  • Simplified service and mainenance
  • Knockdown capable for retrofit applications

* Model sizes up to 6MM

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  • Thermal Stresses Virtually Eliminated
  • Durable Stainless Steel Firetube Heat Exchanger
  • Compact Footprint – Fits Through a Standard Doorway (Up to 6MM BTU/hr)
  • Designed for Variable Primary Flow
  • Up to 15:1 Turndown; O2 Compensation


  • Models: EDR+ 5000-7000
  • Output: 2M - 6.6M BTU/HR (2000kW to 7000kW)
  • Fuel Options: Natural Gas , Propane

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Accredited to ISO 45001:2018, ISO 14001:2015 and ISO 9001:2015.

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