A Versatile Gas-Fired Steam Boiler For Your Unique Home. Assured Appliance and Heating & Air in Genoa has an excellent gas-fired steam boiler to keep your home warm and comfortable season after season. The Lennox® GSB8-E comes with remarkable benefits. Our friendly staff is happy to install yours, or help you fix your current 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 deliver cozy, comfortable warmth heating season after heating season. Electronic ignition oversees water temperature and lights the burner only when needed Vent damper bolsters efficiency by closing automatically when the boiler shuts off Thick fiberglass insulation reduces off-cycle heat and energy loss Burns natural gas or convertible to LP gas Will work with traditional radiator and underfloor heating systems Electronic low water cut-off Hefty steam chest and multiple supply connections help 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 Contact Assured Appliance and Heating & Air at 847-306-8990 for all your boiler-related needs in the Dekalb County area. Or, create 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.