gwb84-ie
Boiler
Standard efficiency, gas-fired water boiler, with chimney or side wall venting
Heating Savings
Features
Efficient operation in colder climates
Offers an efficiency of up to 84.4% AFUE, meaning it can deliver energy savings compared to an older boiler. So even if winter brings its worst, you’ll stay comfortable without worrying about energy use. Up to 84.4% of fuel is converted into usable heat.
Made tough, to deliver reliable warmth
Made tough, to deliver reliable warmth
Includes extra attention to durability, with features like a cast-iron heat exchanger
and corrosion-resistant burners.
Integrates easily into your home
If you have a traditional system, it will fit perfectly and provide precise heating comfort all winter long.
Smart design means reliable operation
Smart design means reliable operation
Ratings & Reviews
See what other customers are saying about
GWB84-IE Boiler
5/5
New Lennox Boiler
October 22, 2025I've only had my boiler for less than 2 months. The weather has not been cold enough yet to form a real precise opinion. I've had it on, however, for a few days, and everything appears to be operating fine.
Yes, I recommend this product.
Wisconsin
Age: Over 65`
Gender: Male
Reason for Replacement: Emergency
5/5
4/5
5/5
5/5
5/5
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Resources
Product Literature
Proper sizing and installation of equipment is critical to achieve optimal performance. Split system air conditioners and heat pumps (excluding ductless systems) must be matched with appropriate coil components to meet ENERGY STAR criteria. Ask your contractor for details or visit www.energystar.gov.
