21 x 20 in. Evaporative Cooler Blower Upgrade Kit - 1-3/16 in. Shaft, 14 in. Pulley (8500 / ES830 / ED830)

Blower conversion kit for compatible 8500, ES830 and ED830 evaporative cooler applications, replacing a 1-inch shaft system with 1-3/16-inch blower components.

Specifications & Included Parts

• Conversion: 1-inch shaft components to 1-3/16-inch components
• Blower wheel: 21-inch diameter x 20-inch width x 1-3/16-inch bore
• Blower pulley: 14-inch diameter x 1-3/16-inch bore
• Cooler shaft: 1-3/16-inch diameter x 26-5/8-inch length
• Bearings: two 1-3/16-inch pillow bearings

Compatibility & Installation

Replace all listed components together to complete the conversion. Provides an option when an original AdobeAir 21 x 20-inch wheel with a 1-inch bore is unavailable. Confirm housing clearance, shaft length, bearing mounting and pulley selection for the specific cooler.