Carrier AW01DA053 Key 319847-401 Pressure switches are safety-critical components

Pressure switches are safety-critical components tuned to specific inducer blower curves

the internal bimetal disc may be fatigued or damaged

CW Rotation: Specifically phased for standard Bard fan blade orientations to ensure proper draw-through cooling

Enhanced Durability: The totally enclosed shaded pole construction protects internal windings from atmospheric contaminants

ensuring a seamless fit for technicians servicing Raypak equipment

Carrier AW01DA053 Key 319847-401 Pressure switches are safety-critical componentsThe Carrier AW01DA053 Key is a specific OEM replacement shaft key designed for heavy duty HVACR applications, ensuring the mechanical integrity of blower wheels and fan motors. This 1. 5 inch square key is engineered to the precise tolerances required for Carrier, Bryant, and Payne packaged units and split systems. Its robust metal construction provides the necessary shear strength to maintain a secure connection between the drive shaft and the hub,