A Versatile Gas-Fired Steam Boiler For Your Unique Home. Woody's Sudden Service Inc in Manassas Park has the ideal gas-fired steam boiler to keep your home snug and comfortable season after season. The Lennox® GSB8-E comes with remarkable benefits. Our friendly staff is happy to install yours, or help you repair your home’s 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 for years to come. Electronic ignition monitors water temperature and turns on the burner only when needed Vent damper bolsters efficiency by closing automatically when the boiler shuts off Thick fiberglass insulation helps minimize 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 reduce 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 Reach out to Woody's Sudden Service Inc at 703-369-5528 for all your boiler-related needs in the Manassas Park 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.