Overview Reviews Similar Products Product Description Knob: Jacuzzi, Waterfall J-400 Part# 20150-001 Location: SHR3B7 Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view Jacuzzi Spa J-400 Diverter/Waterfall Control Knob GRAY - 20090-001 $9.95 Add to Cart Quick view Jacuzzi Waterfall Valve: 3-Way 1-1/2" No Knob - 20172-001 $79.95 Quick view Caldera Spas Waterfall Valve For 2004 Thru 2005 - 72609 $39.00 $32.39 Add to Cart