Lennox Boilers

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GWM-IE Boiler

GWM-IE Boiler

High-efficiency, gas-modulating condensing water boiler. Designed to maximize fuel savings, the GWM-IE boiler delivers up to 40% greater efficiency than conventional boilers. Its burner matches heating output to household demand, using only the energy necessary to keep you comfortable.

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GWB9-IH Boiler

GWB9-IH Boiler

High-efficiency, gas-fired water boiler. The GWB9-IH boiler offers an AFUE rating of 90%, which means it converts a full 90% of your fuel into usable heat. And it delivers warmth quickly with a cast-aluminum heat exchanger that transfers heat three times faster than conventional cast iron.

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GWB8-IE Boiler

GWB8-IE Boiler

Standard-efficiency, gas-fired water boiler. The GWB8-IE boiler is full of features that provide years of heating benefits, including a cast-iron heat exchanger and titanium burners. With efficiency ratings of up to 84.4%, the GWB8-IE can also deliver significant energy savings, compared to an older boiler.

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GWB8-E Boiler

GWB8-E Boiler

Standard-efficiency, gas-fired water boiler. Constructed of high-quality materials, including a cast iron heat exchanger and stainless steel burners, the GWB8-E boiler delivers reliable heating performance season after season.