Description
The Lennox 86M50 Combustion Air Switch Tubing Kit is an essential part made for Lennox oil or gas furnaces. This 31-inch long tubing serves as a communication link between the combustion air switch and the furnace without making any noise. The tubing links the combustion air switch to the outer shell of the furnace so that it can feel whether there is sufficient air for combustion. This avoids problems such as a furnace failure or part of the fuel’s not combusting fully. The tubing is used to provide accurate air pressure reading that enhances the safety and reliability of your Lennox furnace The 31-inch length is flexible enough to fit in most furnace configurations.









