A Versatile Gas-Fired Steam Boiler For Your Unique Home. B & B Heating & Cooling in Florissant has the ideal gas-fired steam boiler to keep your home snug and comfortable for years to come. The Lennox® GSB8-E delivers remarkable benefits. Our friendly staff is here to install yours, or help you maintain your existing steam boiler. GSB8-E BoilerSetting it apart from other standard-efficiency boilers, this boiler earned an 82.7% AFUE* and features a cast-iron heat exchanger and titanium burners. The GSB8-E will supply your home with cozy, comfortable warmth for years to come. Electronic ignition controls water temperature and lights the burner only when needed Vent damper bolsters efficiency by closing automatically when the boiler turns off Thick fiberglass insulation reduces off-cycle heat and energy loss Burns natural gas or convertible to LP gas Compatible with traditional radiator and underfloor heating systems Electronic low water cut-off Hefty steam chest and multiple supply connections work to eliminate noise Available in seven different sizes to fit your home’s particular needs 12-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts Efficiency Rating (AFUE): up to 82.7 Product Brochure Contact Us to Learn More Reach out to B & B Heating & Cooling at 314-838-9800 for all your boiler-related needs in the Florissant area. Or, schedule an appointment with our online scheduler. We look forward to serving you! *Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.