Lennox 99M80 Flue Cover 320788-703 High-Tensile Cord Member: Minimizes the

High-Tensile Cord Member: Minimizes the need for frequent re-tensioning during the break-in period

ensuring a concentrated spark

Ensures consistent fuel delivery for reliable combustion

This furnace high limit switch is UL and CSA listed

Technical specifications confirm this unit is the direct replacement for Heatcraft 25300101

Lennox 99M80 Flue Cover 320788-703 High-Tensile Cord Member: Minimizes theThe Lennox 99M80 Flue Cover is a critical OEM furnace replacement part engineered specifically for Lennox gas furnace venting systems. As a veteran technician, you know that maintaining the integrity of the exhaust stack is non negotiable for safe combustion. This genuine Lennox 99M80 flue cap acts as a secondary barrier, protecting the internal venting components from corrosive environmental factors, moisture intrusion, and debris that can lead to