![Balboa Circuit Board, Keys 211D, VS510SZ (53753R1A) [54372-01]](http://bathparts.com/cdn/shop/products/54378.jpg?v=1724866444&width=700)
![Balboa Circuit Board, Keys 211D, VS510SZ (53753R1A) [54372-01]](http://bathparts.com/cdn/shop/products/54378_1024x.jpg?v=1724866444)
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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
| Circuit Board Application | Balboa Water Group |
| Circuit Board Model | PS6503B Series |
| Circuit Board Type | New |
| Manufacturers Part Number | 54372-03 |