Overview Reviews Similar Products Product Description Jacuzzi Spa J-400 Diverter/Waterfall Control Knob GRAY - 20101-001 Location: SHR9B4 Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view Knob: Waterfall J-400 $4.95 Add to Cart Quick view Jacuzzi Spa Diverter Knob, J-300 (2002-2006) - 6540-728 $9.95 Add to Cart Quick view Jacuzzi Spa Pillow, J-400 Sliding, Gray / Silver $39.95 Add to Cart