Carrier KR51BJ419 Fan Pulley Freon Key Benefits: High-Velocity Compatibility: Specifically

Key Benefits: High-Velocity Compatibility: Specifically engineered for TTW-20 series systems rated for 2000 CFM airflow

this double-inlet blower wheel features a 1/2-inch bore and uses a convex hub configuration to ensure precise alignment with the motor shaft

Compact Design: Low-profile construction allows for integration into slim wall heaters and floor furnaces

As an OEM water circulator

or if there is a detected pressure drop across the device

Carrier KR51BJ419 Fan Pulley Freon Key Benefits: High-Velocity Compatibility: SpecificallyThe Carrier KR51BJ419 Fan Pulley is a high performance 1 groove sheave engineered for demanding commercial and residential HVAC applications. As a genuine OEM replacement part, this steel fan pulley ensures precise mechanical alignment and belt tensioning, preventing premature wear on high static blower motors. Balancing 7. 15 lbs of durable steel, the KR51BJ419 is a direct fit solution for Carrier 40RU series air handlers and rooftop units,