Cleaver Brooks FLX Watertube Boiler

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Cleaver Brooks FLX Watertube Boiler


  • Steam or Hot Water
  • 1,500-25,000 MBH Input
  • Natural Gas, #2 Light Oil, Propane, Digester Gas
  • 15-250 psig Design Pressure
  • Available to <9 ppm NOx
  • Field Erectable

The FLX is a UL listed package boiler that is versatile and can handle both commercial and Industrial applications. The compact 5-pass bent water-tube design provides efficiency ratings up to 81% (Steam) and 85% (Hot water).