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GWB84-E Boiler
The GWB84-E offers an efficiency of 84% AFUE, meaning it can deliver energy savings compared to an older boiler.

Key Features
- Electronic ignition control
- Thick fiberglass insulation
- Easy integration, works with traditional radiator systems to provide precise heating comfort, regardless of outdoor temperatures
- Versatile installation available in nine sizes for installation virtually anywhere in the home, and can be fueled by natural or LP* gas
- 20-year limited warranty on heat exchanger, 1-year limited warranty on remaining covered parts
- Overview
- Energy Efficiency
- Home Comfort
- Performance
Here are some of the top features of the GWB84-E:
- With 84% of fuel converted into usable heat, you can enjoy a comfortably warm home all throughout the winter, without worrying about energy use.
- An electronic ignition allows it to turn on only when heat is needed, and reduces the possibility for the flame to go out like a standard pilot light. Layers of thick fiberglass insulation minimize heat loss and on-off cycling. Factory-installed safety switch protects against potentially dangerous low-water conditions. An automatic vent damper closes when it shuts off, preventing wasted heat.
- The heat exchanger at the heart of this boiler is also designed for durability, over a range of water flow rates. Burners are made of stainless steel for greater resistance to corrosion and oxidation.
- 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.
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Landes Heating and Air Conditioning is proud to provide expert residential and commercial HVAC installation and repair in the Shenandoah Valley of Virginia and it’s surrounding areas. From HVAC installation to appliance installation, count on Landes Heating and Air Conditioning to keep your family in comfort.
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To schedule an appointment, please call 540.434.5988
101 West Mosby Road
Harrisonburg, Va 22801
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Office Hours: 7:30AM - 4:30PM
Monday – Friday
Harrisonburg, Va 22801
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Office Hours: 7:30AM - 4:30PM
Monday – Friday