|Efficiency||Up to 82.7% AFUE|
|Fuel Source||Natural Gas; convertible to LP|
|Warranty||12-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 GSB8-E Boiler
Gas-Fired Steam Boiler.
Solid value and superb heating. The GSB8-E offers an efficiency of up to 82.7% AFUE, meaning it can deliver significant energy savings, compared to an older boiler. That means you can relax comfortably about your energy use.