Carrier 50DK509554 Fan Shaft 320788-703 maintenance-free solution for general close-off

maintenance-free solution for general close-off applications

The P74AA-1 functions as an SPST switch that opens on a rise in pressure difference

000 cycles with a blowout-proof stem design

making it suitable for a wide range of commercial power supplies

Technicians must use the included conversion spring kit and verify outlet pressure to ensure safe burner operation

Carrier 50DK509554 Fan Shaft 320788-703 maintenance-free solution for general close-offThe 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