York S1-373-23784-003 Gasket Kit 326058-756 The Lennox 89M85 is a

The Lennox 89M85 is a high-grade OEM 60/7

System Reliability: Restores factory-spec performance to the ignition sequence

Dual-Side Access: The "B" suffix signifies both sides fitted for low fire adjustment

OEM Precision: Genuine Armstrong Fluid Technology parts ensure exact fitment for models such as H-54

The Reznor 221526 is designed for demanding environments

York S1-373-23784-003 Gasket Kit 326058-756 The Lennox 89M85 is aThe York S1 373 23784 003 Gasket Kit is a critical OEM replacement component engineered specifically for 21 inch upflow condensate pan assemblies in 90% efficiency residential furnaces. This kit ensures a pressure tight seal between the heat exchanger cabinet and the drain pan, preventing hazardous combustion byproduct leakage and localized water damage. As a seasoned technician knows, a compromised condenser pan gasket can lead to secondary drain pan