Product Details:

• Adjustment Knob
• Made by Hypro
• Part # 9910-800470
• Replacement Part for the Following Pump Model #s: 9910-D252, 9910-D252GRGI, 9910-D252GRGI58, and 9910-D252GRGIAP
• Used as Part of the Following Control Unit: 9910-KIT1990
• 1 Part Required per Pump