This goes into the VS510SZ Control Box 53752-02
Keys 211D Circuit Board * VS510S Circuit Board * keys211DR1A
Recommend you will need a new Spa Pack - G6402
Two Pump System33-0033 , 33-0033-K , 33-54372-K , 330033 , 54345 , 54369 , 54372 , 54372-01 , 54372-02 , 54372-03 , 54378 , 54378-01 , 55036 , 55099 , HS200VS , HS200VSR2B , KEYS211DR1B , VS510SR2B , VS510SZ , VS510SZR1A , VS510SZR2
| Circuit Board Application |
Balboa Water Group |
| Circuit Board Model |
PS6503B Series |
| Circuit Board Type |
New |
| Manufacturers Part Number |
54372-03 |
![Balboa Circuit Board, Keys 211D, VS510SZ (53753R1A) [54372-01] Spa Parts: Spa Circuit Boards (Balboa) 54378](http://bathparts.com/cdn/shop/products/54378.jpg?v=1762188030&width=700)
![Balboa Circuit Board, Keys 211D, VS510SZ (53753R1A) [54372-01] Spa Parts: Spa Circuit Boards (Balboa) 54378](http://bathparts.com/cdn/shop/products/54378_1024x.jpg?v=1762188030)