Cleaver-Brooks Firetube Hydronic Boilers
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Model CBEX
The CBEX boiler uses advanced engineering, including Computational Fluid Dynamics (CFD), to optimize components like the burner, furnace, and tubes, ensuring balanced heat release and reduced thermal stress. Exclusive EX system tubes enhance heat transfer by 85%, achieving higher efficiency in a compact design. An optional stack economizer recovers flue gas heat to preheat feedwater, reducing fuel consumption. The LevelMaster low-water cutoff provides the safest pump control available.
- Hot water up to 125 psig
- 100 to 2,500 HP
- 2 Pass and 3 Pass
- Natural gas/propane, #2 light oil, combination
- Waterback or Dryback design
Model CBLE
The CBLE firetube boiler is a reliable, long-lasting package with a pressure vessel, burner, and controls, designed for safety, low emissions, and easy maintenance. Upgrade with Cleaver-Brooks controls, economizers, and water treatment systems to create a state-of-the-art boiler room.
- Hot water up to 125 psig
- 50 to 800 HP
- 4 Pass
- Natural gas/propane, #2 and #6 oil, combination
- Alternate fuel capability
- Waterback or Dryback design
- 60 ppm, 30 ppm, 9 ppm and 5 ppm NOx emission rates are available
Model CBJT
The CBJT is a complete boiler package with a pressure vessel, burner, and controls, offering high fuel efficiency, compact design, and low emissions. Built for hot water or steam applications, it prioritizes safety, maintenance ease, and optional upgrades. Enhance your system with Cleaver-Brooks controls, economizers, and water treatment for a state-of-the-art boiler room.
- Hot water up to 125 psig
- 100 to 1,600 HP
- 2, 3 and 4 Pass
- Natural gas/propane, #2 light oil or combination
- Dryback or Waterback design
- Available to < 30 ppm NOx emissions on 2 & 3 pass models
- Available to <9 ppm NOx emissions on 4 pass models
