Sundance T-Valve Diverter Knob (6540-533) is a replacement air control related component for compatible Jacuzzi and Sundance spa models. Air controls and injector parts regulate or support the air mixture delivered to the jet system, helping maintain the feel and response of the spa’s hydrotherapy features.Replace this part when the original component is cracked, loose, faded, missing, difficult to turn, or no longer sealing or operating correctly. Match the style, color, model year, and connection details carefully before ordering to ensure proper fit. Replacement air control component for compatible spa models Supports air adjustment or injector operation Useful for repair of worn, damaged, or missing parts Helps maintain proper jet air flow and user control Verify model compatibility and part number before purchase
