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COMMERCIAL WATERTUBE BOILERS
For over 40 years, Frank I. Rounds Company has been the exclusive representative of Cleaver-Brooks. Commercial watertube boilers typically produce steam or hot water for commercial, or modest-size applications. There are a wide variety of types, sizes, capacities, and design pressures available. Commercial watertube boilers can be membrane type, straight tube, modular, etc. They can be either atmospherically fired or utilize power burners.

Rounds Company carries Commercial Watertube Boilers manufactured by Cleaver-Brooks and Ajax Boiler.

Cleaver-Brooks Model FLX Flexible Watertube

The Flextube is a five pass commercial watertube boiler. It is excellent for use in penthouse applications due to small physical size and light weight. It has easy to replace tubes, uses low water volume for fast heat up by design. With its bent tube design, it is considered almost impervious to thermal shock. The flextube boiler is less expensive than the firetube, but is more sensitive to water care on steam and is not as heavy duty as the firetube.

  • 1.5 - 12.0 mmBtu/hr input
  • Gas, oil or combination fired
  • Hot water stat to 250 °F and 160 psig; 250 °F and 150 psig steam
  • Effective resistance to thermal shock
  • 20-year limited thermal shock warranty
  • Efficient design, natural internal circulation
  • Low NOx emissions capabilities
  • Field erectable

Ajax Boiler

Ajax produces a large selection of inclined watertube boilers.

The Ajax atmospheric design offers the ultimate in low cost, and absolute minimum service requirements.

Ajax manufactures an outdoor boiler and other designs from 300,000 Btu to 15 million Btu.

Ajax is considered a low cost alternative that provides good value and dependable equipment for many applications.

  • Inclined Water Tubes with large headers for excellent internal circulation.
  • Models from 250,000 BTU/Hr to 21,000,000 BTU/Hr fit every application.
  • Effective Heat Transfer Surface triangular pitch - multi-row heat exchanger.
  • High combustion Efficiency radiant refractory combustion chamber
  • 85% High Efficiency Boilers.
  • Low NOx Boilers.
  • High Pressure Steam Boilers from 5 to 350 BHP.
  • Thermal Shock Proof floating tube bundle and headers. Full 20 year non-prorated Thermal Shock warranty on all boilers.
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