ICB Firetube Boiler

Firetube Boilers

  • Boiler Horsepower: 100 - 800
  • Input Capacity (MBH): 4,000 - 32,660
  • Steam or Hot Water: Steam, Hot Water
  • Vessel Design: Firetube
  • Number of Passes: 3
  • Fuel: Gas, #2-#6 Oil, Combination
  • Emissions (ppm NOx): <30
  • Steam up to 300 psig
  • Hot water up to 125 psig
  • 100 to 800 HP
  • 3 Pass
  • Natural gas/propane, #2 and #6 oil, combination
  • Available to <30 ppm NOx emissions


The Cleaver-Brooks Model ICB firetube boiler is a 3 - pass integrated package with components designed to work together seamlessly.

  • Product Overview
  • Related Resources
  • Applications
  • Intercooled back boiler design
  • 3 - pass
  • ProFire packaged jet burner
  • Access to all tubesheets without confined-space limitations/issues
  • Options for 30 ppm NOx control


Integrated package includes pressure vessel, ProFire® packaged jet burner, controls, and the latest advances in combustion technology. Upgrade or retrofit your system with Cleaver-Brooks controls, economizers, water treatment systems, and all the other system components to build a state-of-the-art boiler room of virtually any size and capacity.


Steam Applications, Terminology and How to Achieve Best Results →

Learn how the industry defines steam from utility, saturated and superheated to filtered and clean.

Boiler Room Installation Considerations for Safety, Reliability, and Efficiency →

There are a number of factors that are important to consider when installing either a steam or hydronic boiler system in order to maximize safety, reliability and efficiency.

  • Process Steam
  • Industrial Process
  • Building Heat
  • Sterilization
  • Humidification
  • Wasteheat Recovery
  • Hospital and Healthcare