maintaining furnace motor compatibility is critical for airflow balance and heat exchanger safety

A "dry" reading confirms the filter drier is functioning correctly

Direct OEM Compatibility: Verified fit for York S1-024-35324-000

specifically designed for common industrial gas and oil burners

when replacing the pilot box

Lau 00840393 Blower Wheel 320735-701 maintaining furnace motor compatibility isThe Lau 00840393 Blower Wheel, also identified as Model A12 12A, is a high performance double inlet centrifugal fan wheel engineered for demanding belt drive blower applications. Featuring a 12 5 8" diameter and 12 5 8" width, this double inlet blower wheel utilizes a 1 3 16" bore with a precision machined 1 4 x 1 8 keyway and a single set screw for secure shaft mounting. Designed for versatility in the field, this unit supports both CW CCW rotation,