The Pentair 073830 Impeller is a 10 hp impeller used on the Pentair Purex CHK-100. The open end which faces the motor of the Pentair 073830 is slightly smaller in diameter than the opposite end where the vanes are located. There is a slight keyed extension on the closed end.

Specifications:

• Brand: Pentair
• Model Number: 073830
• Outside Diameter: 5-3/8"
• Outside Diameter at Motor End: 4-1/2" 
• Thickness: 1" (inside vane thickness at outside edge of impeller); 1-5/16" (outside vane thickness at outside edge of impeller)
• Front to Back Size: 3-1/8"
• Number of Vanes: 8

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