A Versatile Gas-Fired Steam Boiler For Your Unique Home. KDM Service Corporation in Tuscaloosa has an excellent gas-fired steam boiler to keep your home snug and comfortable year after year. The Lennox® GSB8-E delivers exceptional benefits. Our friendly staff is ready 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 supply your home with cozy, comfortable warmth for many, many years. Electronic ignition oversees water temperature and lights the burner only when needed Vent damper increases 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 Big steam chest and multiple supply connections work to eliminate noise Available in seven different sizes to fit your home’s individual 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 KDM Service Corporation at 205-208-8090 for all your boiler-related needs in the West-Central Alabama 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.