A Versatile Gas-Fired Steam Boiler For Your Unique Home. Abilene Air-Tech Inc in Abilene has the perfect gas-fired steam boiler to keep your home cozy and comfortable season after season. The Lennox® GSB8-E comes with exceptional benefits. Our team is happy to install yours, or help you maintain your current steam boiler. GSB8-E BoilerA cast-iron heat exchanger, titanium burners, and an 82.7% AFUE* rating set this steam boiler apart from other standard-efficiency gas-fired steam boilers. The GSB8-E will supply your home with cozy, comfortable warmth heating season after heating season. Electronic ignition oversees water temperature and ignites the burner only when needed Vent damper boosts efficiency by closing automatically when the boiler shuts off Thick fiberglass insulation helps minimize off-cycle heat and energy loss Burns natural gas or can be converted to LP gas Compatible with traditional radiator and underfloor heating systems Electronic low water cut-off Large 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 Call Abilene Air-Tech Inc at 325-692-5850 for all your boiler-related needs in the Abilene 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.