York S1-7945-3011 Heat Exchanger Gasket Package

The York S1-7945-3011 Heat Exchanger Gasket Package seals the mating surfaces between the heat exchanger sections and the surrounding combustion compartment within gas furnaces, preventing combustion gases from migrating into the circulated airstream during furnace operation in HVAC systems. Each gasket in the package compresses against its corresponding flange or panel joint when the heat exchanger assembly is reassembled, forming a barrier that keeps the combustion side carrying exhaust gases, including carbon monoxide, fully separated from the supply air side moving through the cabinet toward the living space.