Balboa Circuit Board - Jacuzzi R327/R641 [ME Serial Deluxe] (52211) switches A part like this is

A part like this is useful because it helps restore the manifold connection point within the skim filter assembly while providing the matching plug as part of the replacement

and plastic body using the 510AD0167 reference

Replacing both parts together can help restore cleaner chamber sealing and routine refill access

A properly selected ring terminal helps support cleaner crimp performance and contributes to more dependable electrical continuity

Balboa Circuit Board - Jacuzzi R327/R641 [ME Serial Deluxe] (52211) switches A part like this isBrand specific Jacuzzi systems depend on the right board to preserve the feel and logic of the original setup. This R327 R641 ME Serial Deluxe board is designed for compatible applications where the existing board has become the weak point and the spa no longer behaves with the consistency it should. When a board like this begins to fail, the spa often feels less polished long before it fully stops working. Heat, response, and overall control can all