Lennox GWB8-E, 125000 Btuh Gas-Fired Hot Water Boiler, Floor Mount, Up to 83.9 AFUE

Cat # : 14Y27

Model/Part # : GWB8-125E-3


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Brand Lennox
Catalog Number 14Y27
Model/Part Number GWB8-125E-3
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Series GWB8-E
Heating Capacity 125000 Btuh
Product Voltage 120 VAC 1 Ph 60 Hz
Product Depth 27 Inch
Product Height 30.75 Inch
Efficiency Up to 83.9 AFUE
Product Width 18.875 Inch
Ignition Type Electronic Ignition
Gallon Capacity 5.6 Gallon
Type Gas-Fired Hot Water Boiler
Energy Star Certified No
Heat Exchanger Type Cast Iron
Mounting Type Floor Mount
Gross Weight 315 lbs.
Coaxial Flue Size 6 Inch
Burner Type Stainless Steel

Product Overview

 Lennox GWB8-E boiler is constructed of high-quality materials, including a cast iron heat exchanger and stainless steel burner. The GWB8-125E-3 boiler is designed to provide efficient, dependable heating for many years to come. 

  • Vent Damper - Automatically closes when the boiler turns off to maintain energy efficiency.
  • Cast Iron Heat Exchanger - Designed for years of long-lasting reliability over a range of water flow rates.
  • Thick Fiberglass Insulation - Minimizes heat and energy loss when the heat exchanger cools down after a cycle.
  • Stainless Steel Burners - Provide greater resistance to corrosion and oxidation.
  • Electronic Ignition Control - Monitors water temperature and maximizes efficiency by turning on the burner only when needed. 
  • Low-Water Cut-off - Provides protection against potentially dangerous low water conditions.
  • Warranty - A 20 year limited warranty on the heat exchanger and a 5-year limited warranty on covered parts. Covered components may be eligible to receive a 10-year limited warranty with online product registration. See actual warranty certificate for details.


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