High-Precision Calibration: Factory-set to accurately detect over-temperature events before they cause heat exchanger damage

This relay uses a universal technical footprint

and most synthetic refrigerants

mineral deposits (white tracking) on the blower shelf

Carrier KR11AJ912 Blower Pulley 326058-758 High-Precision Calibration: Factory-set to accuratelyThe Carrier KR11AJ912 Blower Pulley is a critical drive component engineered for precise airflow management in commercial HVAC systems. This fixed bore blower sheave is designed for high torque applications where maintaining a constant RPM is essential for system balance and static pressure requirements. Constructed from durable cast iron or high grade steel, the KR11AJ912 ensures minimal vibration and consistent power transfer from the motor to the