Control panel used on the following spas (overlay part number provided in grid):
| Compatable: | 1997 | 1998 | 1999 |
| Euphoria MTS | 650-0427 | 650-0447 | 650-0447 |
| Reward MTS | 650-0427 | 650-0447 | 650-0447 |
| Quest MTS | 650-0427 |
It is strongly recommended you purchase the overlay when purchasing a new topside control.
