Lennox 84K81 Flue Cover 320788-704 This genuine OEM component is

This genuine OEM component is a 0

This component is identical to 90-66 and serves as a universal field replacement for thousands of OEM models

this unit provides reliable overpressure protection for commercial and large-scale residential hot water boilers

The high-grade construction resists the corrosive flue gasses and thermal stress common in condensing furnace environments

a continuity test across the 100109925 terminals is the standard diagnostic procedure

Lennox 84K81 Flue Cover 320788-704 This genuine OEM component isThe Lennox 84K81 Flue Cover is a critical OEM component designed to maintain the structural integrity and venting efficiency of residential gas furnaces. Engineered as a high durability sheet metal flue cover, this assembly includes the necessary furnace flue gaskets to ensure a gas tight seal at the exhaust transition point. In the field, a compromised or corroded cover can lead to dangerous combustion gas leaks and improper draft, which triggers