O-Style Industrial Water Tube Boiler — Steam Only

CB Boiler Model O-Style

CB Boiler Model O-Style

CB O-Style WatertubeThe Cleaver-Brooks Nebraska O-style boiler design is a perfect fit in a safe, reliable, easy-to-transport boiler for restrictive footprints.

  • Steam, temperatures to 1,050°F
  • 10,000 to 500,000 lb/hr
  • Natural gas, # 2 and #6 oil, alternative fuels
  • Design pressure up to 1,750 psig
  • Available to less than 7 ppm NOx
  • Ultra-Low CO
  • High power in a slim fit
  • Large, water-cooled, gas-tight furnace areas
  • Furnace utilizes a welded-membrane wall design

Product Overview

This rugged design has become the true workhorse of the rental boiler industry. The vertical gas outlet on the O-style puts the economizer above the boiler, minimizing the width of the overall package. Its symmetrical design is ideally suited for mounting on a trailer for over-the-road transport.

Cleaver-Brooks line of rental units continues to provide efficient and reliable service year after year, while withstanding rapid emergency startups.


  • Boiler wall constructions are 100% water-cooled and refractory-free
  • Only single-source supplier for integrated boiler, burner, and control solutions
  • Can accommodate selective catalytic reduction (SCR) and CO catalyst


  • Lower Fuel Cost
  • Lower Emissions
  • Steam Solutions


  • Process Steam
  • Industrial Process
  • Building Heat
  • Hospital and Healthcare
  • Power and Utilities
  • Refineries and Petrochemical