Carrier AW01DA221 Blower Wheel Key

The Carrier AW01DA221 Blower Wheel Key is an apparently unremarkable but essential part of particular Carrier HVAC systems, this part is a crucial component in the efficient running of your Carrier unit. This key is used to interconnect the blower wheel and the motor shaft in a secure manner. The blower wheel is also found in the HVAC system and it rotates at high speed to blow air around your house. If there was no correct key to be tightly fitted into the motor shaft, the blower wheel could not turn properly on it.