Most failures are secondary to a short circuit in the 24V line

and excessive heat at the bearing housing are standard indicators that the internal races or balls are compromised

Does this unit include the blower motor and housing

When troubleshooting restricted airflow or fan failure in Bard package units

ensuring a direct drop-in replacement for existing Parker-Watts R643-Series configurations

York S1-026-42198-000 Blower Wheel 340793-762 Most failures are secondary toThe York S1 026 42198 000 Blower Wheel is a precision engineered centrifugal fan component designed for residential air handlers and furnaces. This 10x9 blower wheel features a 10 inch diameter and 9 inch width, specifically optimized for high volume airflow and static pressure management across heat exchangers. Built for clockwise (CW) rotation, it integrates a 1 2 inch bore hub that ensures a concentric fit on standard NEMA blower motor shafts,