Carrier KR11AZ406 Blower Pulley 320720-756 Proprietary Blade Pitch: Engineered to

Proprietary Blade Pitch: Engineered to match the motor RPM and torque curves of Modine equipment for optimal HVAC airflow performance

This specific model features a right-side pilot tap with opposite gas flow

Dual-Speed Logic: Supports 2-speed motor operations to balance energy consumption with required CFM output

Use a multimeter to check for 120V AC at the primary input

Always refer to the wiring diagram on the equipment

Carrier KR11AZ406 Blower Pulley 320720-756 Proprietary Blade Pitch: Engineered toThe 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