Carrier 50DK509554 Fan Shaft 320788-703 integrating a diagnostic microcomputer

integrating a diagnostic microcomputer

maintenance-free solution for general close-off applications

For contractors performing R22 to R407C retrofits or standard service repairs

Proper alignment of the electrode gap is essential for optimal performance

Universal 24V compatibility simplifies field wiring for contractors using various controller types

Carrier 50DK509554 Fan Shaft 320788-703 integrating a diagnostic microcomputerThe Carrier 50DK509554 Fan Shaft is a heavy duty, critical rotation component engineered for high demand commercial HVAC and refrigeration systems. As a genuine OEM replacement fan shaft, it is purpose built to maintain precise balance and torque transmission between the drive motor and blower assembly. This 17 3 4 inch fan shaft features a 5 8 inch bore with a standard keyway lock to ensure a non slip mechanical connection under high static pressure