Lennox 14K09 Flue Rubber Coupling

The Lennox 14K09 Flue Rubber Coupling is anessential component in an HVAC system that ensures the connection of two parts of the flue pipe. Constructed from high-temperature rubber, it seals off combustion gases from leaking and guarantees the efficiency of your furnace. This 2" diameter coupling is standard in many Lennox HVAC products that are installed in residences and businesses and that use natural gas, oil, or propane for fuel. The flexible rubber construction makes it easy to install during maintenance or repair and the material is strong and ensures a long lasting and firm connection.