Lennox 78W51 Flue Cover

The Lennox 78W51 Flue Cover is an accessory that is Crucial to operate and increase the safety level and effectiveness of heating and cooling systems. This flue cover is mainly intended for furnaces and has the purpose of closing tightly the entrance of the flue pipe. A cover for the flue avoids interference by foreign objects that may block the flue system, moisture that may damage the furnace as well as the vermin that might want to make it their home. In addition, the Flue Cover keeps the products of combustion from building up in the room which in turn reduces the facial of backdraft and deadly carbon monoxide leakages.