The Carrier KR11AZ606 Blower Pulley is a critical OEM replacement part engineered for high-demand commercial and industrial HVAC applications

Optimized Draft: Reduces turbulence at the transition point to ensure consistent flue gas venting and fan performance

preventing high-velocity noise and protecting equipment from short-cycling or coil freeze-ups

maintaining system safety and efficiency even in contaminant-heavy environments

the C6456503 maintains the structural integrity of the furnace’s logic circuit

Carrier HD52AZ002 Motor 321894-709 The Carrier KR11AZ606 Blower PulleyThe Carrier HD52AZ002 is a heavy duty, 3 phase condenser fan motor engineered for high demand commercial HVAC applications. This 2 HP induction motor operates at a synchronous speed of 1140 RPM, providing the necessary torque and balanced airflow required for large scale heat dissipation. Designed with a 56Y frame, it features a specialized mounting configuration that ensures a drop in fit for specific Carrier, Bryant, and Carlyle units. As a direct