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GSB8-E Boiler








GSB8-E Gas Fired Steam Boiler
Standard-efficiency, gas-fired steam boiler



Built with high-quality materials, including titanium burners and a cast iron heat exchanger, the GSB8-E boiler quietly and efficiently supplies your home with cozy, comfortable warmth.

Features and Benefits

Energy Efficiency

  • Electronic ignition—burns fuel only as necessary, reducing energy costs
  • Thick fiberglass insulation—minimizes off-cycle heat and energy loss
  • Vent damper—automatically closes when the boiler turns off, maintaining energy efficiency

Quiet Operation

  • Large steam chest & multiple supply connections—help eliminate the loud "hammering" noise common with other gas-fired steam boilers

Home Comfort

  • Easy integration—works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures

Reliable Performance

  • Cast iron heat exchanger—designed for years of long-lasting reliability
  • Electronic low water cut off—eliminated homeowner maintenance and helps ensure safe, reliable operation
  • Titanium burners—eliminated provide greater resistance to corrosion and oxidation than competitive stainless or aluminized steel burners
  • Versatile installation—available in seven sizes for installation virtually anywhere in the home, and can be fueled by natural or LP* gas 


*Shipped as natural gas; convertible to LP.