Cleaver-Brooks | Products & Solutions | Boilers | Commercial and Condensing | ClearFire®-H


Horizontal Steam Boiler

  • Steam Boiler
  • 10 to 80 HP
  • Natural gas, propane or dual fuel (NG/LP)
  • 15 or 150 psig
  • Standard sub 20ppm NOx, less than 10 ppm CO

The ClearFire-H steam boiler is a compact, horizontal boiler offering high efficiency and excellent steam quality.

The ClearFire-H is a compact horizontal, gas-fired, steam boiler designed for all of your steam heating and process needs, available in ten sizes.  The AluFer® tubes with fireside extended heating surface provide maximum heat transfer for superior performance in a compact package.

The premix burner automatically adjusts the air/gas mixture without the use of additional controls for optimum combustion performance, while the fully modulating burner matches the steam load without excessive cycling.

85% efficiency is achievable for high-pressure steam with an optional flue gas economizer package. We guarantee 85% efficiency on low pressure steam. 99% or better dry quality steam assures the highest possible steam process efficiency.

The ClearFire-H comes standard with the Falcon touch-screen total boiler control to most efficiently operate your boiler system. The optional Boiler Monitor solution allows for remote access to your boiler room from your computer or smart phone.

Skid packages, including steam boiler, feed system, and blowdown separator, are available for turnkey steam solutions.


  • Alufer firetube technology for excellent heat transfer, with efficiencies up to 85%
  • Maximize energy with full burner modulation and high turndown with variable-speed blower motor
  • Easily tuned, zero-governor, premix burner
  • Sustainable design with lowest energy use and emissions
  • Reliable operation with easy to use controls and burner technology
  • Falcon total boiler control with lead lag capability seamlessly integrates up to eight boilers
  • Integral CFH Economizer or external economizer options
  • Skid packages available
  • Thermal shock resistant
  • cULus listed for natural gas and propane - dual fuel capable
  • Quiet operation with ECM blower modulation

For .dwg and .dxf drawing viewer download the AutoDesk TrueView.

Select one of the models listed below.


  • Lower Emissions


  • Process Steam
  • Building Heat
  • Sterilization
  • Humidification
  • Laundry and Dry Cleaning

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