Lennox Gas Fired GWB84-E Water Boiler
Standard-efficiency, gas-fired water boiler
Constructed of high-quality materials, including a cast iron heat exchanger and stainless steel burners, the GWB84-E boiler delivers reliable heating performance season after season.
- 84% AFUE meaning it can deliver energy savings compared to an older boiler
- Electronic ignition control burns fuel only as necessary, reducing energy costs.
- Cast iron heat exchanger designed for long-lasting durability.
- Easy integration with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures.
- Electronic ignition control—monitors water temperature and maximizes efficiency by turning on the burner only when needed
- Thick fiberglass insulation—minimizes off-cycle heat and energy loss
- Vent damper—automatically closes when the boiler turns off, maintaining energy efficiency
- Easy integration—works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures
- Cast iron heat exchanger—designed for years of long-lasting reliability
- Versatile installation—available in nine sizes for installation virtually anywhere in the home, and can be fueled by natural* or LP gas
- Stainless steel burners—provide greater resistance to corrosion and oxidation**
*Shipped as natural gas; convertible to LP.
**262 and 299 models feature Titanium Burners.