As a critical part for field-adjusting outlet pressure

As a genuine OEM replacement limit switch

cracks in the porcelain or deep pitting in the rod require a full OEM replacement to ensure consistent conductivity

The York S1-363-90117-700 is a direct OEM replacement part engineered for precise fitment in York

Carrier LA660003 Fan As a critical part forThe Carrier LA660003 Inducer Cooling Fan is a critical OEM replacement part designed for high efficiency furnace draft inducer motor assemblies. This cooling fan blade is the direct performance alternative for the discontinued 326100 401, engineered to provide essential thermal management for the inducer motor during high load combustion cycles. Constructed from durable, heat resistant materials, the LA660003 maintains a precise 3 1 4 inch diameter