Jacuzzi/Sundance 6540-439 J-400 Series Diverter Knob

💧 Jacuzzi Sundance 6540-439 J-400 Series Diverter Knob

OEM replacement diverter knob for select Jacuzzi and Sundance Spas J-400 Series hot tubs. This knob is used to control water flow between jets and massage zones, helping restore smooth operation when an original knob is worn, cracked, loose, or missing.

Part Number: 6540-439

Compatible With: Select J-400 Series spas from Jacuzzi and Sundance Spas. Verify your spa model and existing part number before ordering.

Features:

• Original factory style replacement part
• Helps control diverter valve operation
• Designed for a clean fit and easy replacement
• Ideal for restoring proper water flow adjustment

Installation: Remove the damaged knob and install the new diverter knob in its place. Confirm proper engagement with the diverter valve stem before use. If your spa uses a different trim style or control layout, compare the part number and shape to your existing component.

For best results, match the model and part number to your current spa parts diagram or existing hardware. This replacement is intended for Jacuzzi and Sundance J-400 Series spas requiring part 6540-439.