Cleaver-Brooks | Firetube Boilers
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Firetube Boilers

From 15 to 2,200 horsepower, choose from our integrated and engineered Elite line, or our Premium and Classic lines.

CBEX Dryback Elite

Quick ViewCBEX DB Three Quarter 215 x 186
Near-Perfect Combustion
  • Steam and hot water
  • 250 to 800 HP
  • Designed to 82% nominal efficiency
  • Offers 30 ppm NOx with 3% O2 across the 10:1 turndown range
  • Meets 10 ppm CO requirement 

The CBEX Dryback Elite is the newest member of the Cleaver-Brooks “EX” family. Designed with our exclusive “EX” technology, the boiler offers superior combustion along with extended surface tubes that transfer 85% more heat than traditional tubes. Additionally, the boiler has a larger furnace and simplified design for reduced stresses within the vessel. The CBEX Dryback construction offers unencumbered access to all parts of the boiler for ease of maintenance.

CBEX Elite

Quick ViewCBEX EliteHighest Efficiency
  • Steam and hot water
  • 100 to 1,200 HP
  • Natural gas, #2 light oil or combination
  • 50 to 250+ psig on steam, 30 to 125 psig on hot water
  • Available to <5 ppm NOx
  • Waterback design
Full Details

CBEX Elite (1,300-2,200 HP)

Quick ViewCBEX Elite (1300-2200)Large Capacity
  • Steam
  • 1,300 to 2,200 HP
  • Natural gas, #2 light Oil or combination
  • 50 to 250+ psig steam
  • Available to <9 ppm NOx
  • Wetback design
Full Details

CBEX Premium

Quick ViewCBEX Premium (1) 139x114Packaged Burner
  • Steam and hot water
  • 100 to 1,200 HP
  • Natural gas, #2 light oil or combination
  • 50 to 250+ psig on steam, 30 to 125 psig on hot water
  • Available to < 30 ppm NOx
Full Details

CBLE

Quick ViewCBLEIntegral Burner, Dryback
  • Steam and hot water
  • 125 to 800 HP
  • Natural gas, #2 and #6 oil, combination
  • 15 to 250+ psi on steam, 30 to125 psi on hot water
  • Available to < 9 ppm NOx
Full Details

4WI

Quick View4WIIntegral Burner, Wetback
  • Steam and hot water
  • 100 to 800 HP
  • Natural gas, #2 and #6 oil, combination
  • 15 to 250+ psig on steam, 30 to 125 psig on hot water
  • Available to <9 ppm NOx
Full Details

CBR

Quick ViewCBRCompact Dryback
  • Steam and hot water
  • 125 to 800 HP
  • Natural gas, #2 light oil or combination
  • 15 to 250+ psig on steam, 30 to 125 psig on hot water
  • Available to <30 ppm NOx
Full Details

4WG

Quick View4WGWetback Packaged Boiler
  • Steam and hot water
  • 100 to 800 HP
  • Natural gas, #2 and #6 oil, combination
  • 15 to 250+ psig on steam, 30 to 125 psig on hot water
  • Available to <9 ppm NOx
Full Details

ICB

Quick ViewICBDryback/Wetback
  • Steam and hot water
  • 100 to 800 HP
  • Natural gas, #2 and #6 oil, combination
  • 15 to 250+ psig on steam, 30 to 125 psig on hot water
  • Available to <30 ppm NOx
Full Details

CBL

Quick ViewCBLLarge Capacity
  • Steam and hot water
  • 800 to 1,600 HP
  • Natural gas, #2 and #6 oil, combination
  • 15 to 250+ psig on steam
  • Available to <9 ppm NOx
Full Details

CB

Quick ViewCB Small Capacity
  • Steam and hot water
  • 15 to 100 HP
  • Natural gas, #2 and #6 oil, combination
  • 15 to 250+ psig on steam, 30 to 125 psig on hot water
Full Details

Ohio Special

Quick ViewCB-OSOhio Compliant
  • Steam
  • 100 to 225 HP, up to 250+ psig
  • Natural gas, #2 light oil, combination
Full Details