GWB8-E: A Gas-Fire Water Boiler You Can Depend On The Lennox® GWB8-E offers warmth at the times you need it most. This boiler features a cast iron heat exchanger and stainless steel burners built to resist corrosion and oxidation1 and last for years. Effective heat year after year? It’s just as sweet as it sounds. Similar to our some of our other products, this boiler has an electronic ignition control that only turns on the burner when it’s needed. It further maximizes energy savings with a thick fiberglass insulation and vent damper, which closes on its own when the boiler turns off. In fact, its efficiency ratings can add up to nearly 84% AFUE, leading to a decrease in your utility bills. Installion is a breeze when it’s the GWB8-E. We can easily integrate it with your radiator system and it’s available in a variety of sizes. That means you can install this boiler virtually anywhere in your home. Don’t want your boiler to use natural gas? No problem. The GWB8-E can alternatively be fueled by LP gas instead.2 Featuring most all the qualities we want to see in a boiler, the GWB8-E has it all: well-made parts, energy efficiency and dependability. Call your Winnipeg Supply Service Experts Heating, Air Conditioning & Plumbing in at 204-800-0613 to learn more or schedule a free appointment. We’re located in Winnipeg, so a relaxing home is closer than you might think. 1 262 and 299 models feature titanium burners. 2 Shipped as natural gas; convertible to LP.