Carrier KR11AZ406 Blower Pulley 318423-701 facilitating a rapid drop-in swap

facilitating a rapid drop-in swap during emergency calls

Engineered for multi-refrigerant compatibility

Is this used for sensitivity or setpoint changes

the unit is equipped with integrated DIP switches allowing for addressing between 204 and 211

Carrier KR11AZ406 Blower Pulley 318423-701 facilitating a rapid drop-in swapThe Carrier KR11AZ406 Blower Pulley is a critical mechanical drive component engineered for precise torque transmission in commercial HVAC blower systems. This factory authorized part is manufactured to exact tolerances, featuring a 4. 25 inch diameter and a 5 8 inch bore size to ensure a secure fit on standard motor shafts. Designed for heavy duty rotation, the KR11AZ406 fixed pitch pulley provides consistent belt alignment, reducing lateral stress