Lennox GWB8-IE Boiler

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GWB8 IE gas fired boiler integrates with existing radiator systems, offering efficiency ratings of up to 84 4 AFUE, ideal for home boiler replacement.

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Reliable, efficient operation in colder climates

Lennox GWB8-IE Boiler 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.

Heating Savings

60 AFUE VS. 84.4 AFUE
Heating can account for about half of a home’s total utility bill. By upgrading to a high-efficiency system, you can cut your energy costs while keeping your family perfectly comfortable. See how much money could be saving with a GWB8-IE Boiler.

Save per year*
29%
5-year savings 10-year savings 15-year savings
$2,864 $5,728 $8,592
*based on national average

Lennox GWB8-E Gas-Fired Water Boiler – Made tough, to deliver reliable warmth

The GWB8-IE includes extra attention to durability, with features like a cast-iron heat exchanger and corrosion-resistant titanium burners. Thick fiberglass insulation adds to energy efficiency, while reducing on-off temperature cycling.

Integrates easily into your home
The GWB8-IE is available in 6 different sizes for installation nearly anywhere in your home. And if you have a traditional radiator system, the GWB8-IE will integrate perfectly to provide precise heating comfort all winter long.

A flexible fuel source means heat your way
Depending on where you live, different types of fuel can be more expensive than others. That’s why the GWB8-IE gives you a choice of heating with either natural or LP gas.

Lennox GWB8-IE Boiler 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.

Brand

Lennox

Energy Efficiency

Up to 84.4% AFUE

ENERGY STAR® Certified

No