Additional Information
| Chip Number | MVS504SZ(x) |
| Spa Brands | Artesian Spa |
Alternate Part Numbers
- 54638-01 (Balboa)
- 55174
![Balboa Circuit Board - Std Serial,[Artesian] VS504SZ (54638-01)[Coast Spa]](http://bathparts.com/cdn/shop/products/54638-01_lar.jpg?v=1679496310&width=700)
![Balboa Circuit Board - Std Serial,[Artesian] VS504SZ (54638-01)](http://bathparts.com/cdn/shop/products/59-138-1686_2-INFORMATION__XL.jpg?v=1680895574&width=1600)
![Balboa Circuit Board - Std Serial,[Artesian] VS504SZ (54638-01)[Coast Spa]](http://bathparts.com/cdn/shop/products/54638-01_lar_1024x.jpg?v=1679496310)
![Balboa Circuit Board - Std Serial,[Artesian] VS504SZ (54638-01)](http://bathparts.com/cdn/shop/products/59-138-1686_2-INFORMATION__XL_1024x.jpg?v=1680895574)
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54638-01 , 386857 , MX504SZ , VS504SZR
| Chip Number | MVS504SZ(x) |
| Spa Brands | Artesian Spa |
Balboa's cutting-edge product design and commitment to the advancement in technology continues to make them the leader in the spa industry. It is also why spa manufacturers throughout the world continue to rely on them for all of their spa designs. So whether you are building a spa or replacing a circuit board on an older spa model, Balboa is the right solution for you.
If you need assistance in replacing your spa system circuit board, please feel free to contact one of our Customer Service Specialists for assistance. You can reach us daily at 800-918-9143.