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82% Efficiency

SteamMax

Gas, Steam
Cast Iron Heat Exchanger

The NEW SteamMax gas-fired steam boiler is the industry’s new benchmark for longevity, efficiency, and flexibility. It’s the ALL-NEW gas steam boiler that you’ve been waiting for!

 

INDUSTRY-LEADING VALUE 

  • 75 – 550 MBH (in 12 sizes)
  • Unmatched 10-year waterside corrosion warranty (residential only, under 300 MBH only) 

 

INDUSTRY-LEADING DESIGN FOR RELIABILITY & PERFORMANCE 

  • Robust, corrosion-resistant cast iron sectional design extends heat exchanger life in a wide variety of water conditions 
    • Larger “steam chest” with increased steam disengaging area above a stable water line; wider internal waterways 
    • No heat transfer pins above water line, no crown sheet fins; greater corrosion resistance in critical areas 
    • More heat transfer pins below water line, provide ample heat transfer and efficiency 
    • Leak-free metal push nipples, not gaskets 
  • Steam risers in intermediate sections promote smooth steam flow 
    •  2” supply tappings, 2” skimming port tapping 

 

INDUSTRY-LEADING SIMPLICITY FOR STEAM INSTALLATIONS 

  • Available pre-cut, near boiler piping kits for perfect piping every time (residential models 075-250 MBH) 
  • Rear, low-profile draft diverter clears low overhead and eases installation 
  • Tappings on both ends for greater piping flexibility and additional controls 
  • Packaged boilers or knock-downs, full, split or individual sectional assemblies 
  • Additional tapping (1.25”) for indirect/hydronic zone 
  • Product Data Sheet & Specifications
  • Technical Manuals & Information
  • Manufacturer's Warranty Manufacturer's Warranty
  • Extended Warranty Plan Extended Warranty Plan
  • AHRI Energy Labels & Product Certification AHRI Energy Labels & Product Certification
U.S. Boiler Company is a leading manufacturer of home heating equipment, water boilers, steam boilers, hot water heaters, radiators and boiler control systems.
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