Lennox 57W84 Heat Exchanger Assembly

Lennox 57W84 1-Heat Exchanger is the primary piece you'll need to keep your furnace working as it should making sure the heat from the combustion process is done properly transferred to the air that is moving through your house.The design is heat transfer maximizing and the stainless steel is robust for long term use. The heat exchanger, which sits in the middle and absorbs heat burning gas. The heat from this is radiated out by the metal fins the exchanger and it raises the surrounding air. An efficient and clean heat exchanger is essential to furnace your house warm when it’s cold.