Lennox GWB8-100E-2 - 100,000 BTU, 83% AFUE, Standard Efficiency, Gas-Fired Water Boiler
This product is a brand new genuine Lennox GWB8-100E-2 Water Boiler.
This energy efficient boiler has an 83% AFUE (Annual Fuel Utilization Efficiency Rating), a cast iron heat exchanger for efficiency, electronic ignition control and stainless steel burners. This unit also features a vent damper that closes automatically when the boiler turns off.
Lennox provides a twenty year heat exchanger limited warranty and a one year covered parts limited warranty.
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Very happy with quality and efficiency. Much better then the old one.