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Cleaver-Brooks ClearFire-CE (high-efficiency condensing)







A compact, fully condensing high-mass hydronic boiler capable of variable-flow pumping for maximum efficiency across many applications. AluFer® fireside tubes deliver superior efficiency, and dual-return connections raise efficiency by 6%+ over a single-return boiler.
- Size range
- 500–6,000 MBTU
- Uses
- Comfort heat — schools, hotels, commercial buildings, apartments
- Fuels
- Natural gas and propane
- Pressure
- 125 psi (160 psi LC option)
- Efficiency
- Up to 99%
- Warranty
- Lifetime thermal-stress warranty