Everyones Home is Unique and Rapids Sheet Metal Works Inc Has the Versatile Gas-Fired Steam Boiler For You. Rapids Sheet Metal Works Inc in Wisconsin Rapids has the perfect gas-fired steam boiler to keep your home warm and comfortable for years to come. The Lennox® GSB8-E comes with remarkable benefits. Our friendly staff is here 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 controls water temperature and lights the burner only when needed Vent damper increases efficiency by closing automatically when the boiler is off Thick fiberglass insulation minimizes off-cycle heat and energy loss Burns natural gas or can convert to LP gas Compatible with traditional radiator and underfloor heating systems Electronic low water cut-off Large steam chest and multiple supply connections help eliminate noise Available in seven different sizes to fit your home’s unique 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 Rapids Sheet Metal Works Inc at 715-301-0256 for all your boiler-related needs in the Central Wisconsin 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.