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This Honeywell WV8840A1057 series control is an exact drop-in replacement for legacy part numbers 239-47463-02 and WV8840A1051
verify that the airflow across the evaporator coil and through the ductwork is unobstructed before replacing this 45-55F limit switch
offering identical electrical requirements and mounting footprints for a seamless swap
Simplified Installation: Compact 8" x 12
Trane WHL0643 Wheel R-407C This Honeywell WV8840A1057 series controlThe Trane WHL0643 is a high performance direct drive blower wheel engineered for critical airflow applications in HVAC systems. Designed with a 9. 88" diameter and a 9. 40" width, this double inlet centrifugal wheel provides the necessary static pressure to maintain consistent CFM across forced air furnaces and air handlers. The unit features a 1 2 inch bore and is balanced for counter clockwise (CCW) rotation, ensuring stable operation and reduced