|Efficiency||Up to 84.4% AFUE|
|Fuel Source||Natural Gas; convertible to LP|
|Warranty||20-Year Limited Warranty on Heat Exchanger; 5-Year Limited Warranty on covered components. This product may be eligible for 10-Year Limited Warranty coverage with product registration.|
Lennox GWB8-IE Boiler
Gas-Fired Water Boiler.
A reliable way to stay warm and save energy. The GWB8-IE offers an efficiency of up to 84.4% AFUE, meaning it can deliver significant energy savings compared to an older boiler. So even if winter brings its worst, you’ll stay comfortable without worrying about energy use.