Lennox 35K71 Combustion Chamber

Combustion Chamber

Our Combustion Chamber is engineered to help you deliver maximum airflow, burner output and efficiency with a widespread heating pattern. Our multi-port burner is specifically designed to optimize the patented PowerMax Irons preheat system, which helps improve efficiency and reduce maintenance costs.

The Lennox 35K71 Combustion Chamber is made of high quality ingredients, including a cast iron ash pan and removable firepot. The smoke stack damper is adjustable while the standard firebox door offers easy access. A large-capacity side-firebox allows you to cook more at one time and provides enough space to load wood with ease. Its 21" deep, 847 sq. in. of cooking area is ideal for even larger cuts of meat.

The Lennox 35K71 Combustion Chamber is specifically designed for high efficiency, high-flowing gas furnaces. It provides up to 96% AFUE efficiency for a simple transition from an older, less efficient furnace.

The Lennox 35K71 is an efficient and resilient air conditioner that delivers powerful air conditioning. It includes a Combustion Chamber, which allows you to combine outdoor air with indoor air in the right proportions for combustion.

The Lennox 35K71 Combustion Chamber is designed for use in three- and four-pipe, single-stage gas furnaces. This product is meant to be installed in a bypass ductwork system where a downdraft gas stream causes the furnace blower fan to draw air from the bottom of the furnace and removes combustion products from the bottom of the furnace. Ducted outlet provides more even distribution of heated air throughout a home. The combustion chamber improves efficiency by channeling gas exhaust that might otherwise be wasted into heating ducts, providing a steady flow of warm air.

The Lennox 35K71 combustion chamber is designed to increase the efficiency of your home heating system, making it an economical choice that gives you maximum bang for your buck. This product is proudly made in the USA .

The Lennox 35K71 high-efficiency, advanced-technology combustion chamber provides decreased installation time and improved reliability and durability. This SSX Series combustion chamber is designed for a complete range of multi-speed systems from 25 kW to 51 kW.