using the OEM 88A12 ensures the correct gauge and terminal fitment specific to Lennox furnace ignition systems

making it high-compatible with standard manifold and pipe fittings

The rugged housing is built for the rigors of mechanical rooms and warehouses

The internal brass trim and EPT rubber packing provide a reliable 0

Designed for professional HVAC condensate management

York S1-373-23784-003 Gasket Kit 318423-701 using the OEM 88A12 ensuresThe 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