Greenheck 335665 Blower Wheel 321042-401 The Aaon P8780B is a

The Aaon P8780B is a proprietary manufacturer part

the Schneider Electric zone valve can be mounted in vertical or horizontal piping

By modulating refrigerant flow based on heat load

this cartridge type thermostat utilizes its brass shell as the active sensing element

This OEM Trane replacement gear facilitates the critical mechanical link between the drive motor and moving assembly

Greenheck 335665 Blower Wheel 321042-401 The Aaon P8780B is aThe Greenheck 335665 Blower Wheel is a critical replacement component designed for high performance air movement in centrifugal fans and utility sets. This forward curved blower wheel features a 12. 125 inch diameter and a 9 inch width, engineered specifically for Greenheck G series and GB series fans. Constructed from heavy duty galvanized steel, it ensures dynamic balance and optimal airflow stability under high static pressure conditions. As a