
The TP400 topside panel has been discontinued. The replacement for this unit is the TP540. The new TP540 will fit in the same size hole, and just have a different button layout.
6 Button TP540:
Balboa - Topside, Genuine BWG TP540, 6 Button, With 17351 Overlay - G8454_17351
5 Button TP540:
Balboa - Topside, Genuine BWG TP540, 5 Button, With 17352 Overlay - G8454_17352
| Topside Type | Electronic |
| Topside Complete | Complete Topside |
| Manufacturer | Balboa Water Group |
| Model | TP400W |
| # of Buttons | 4 |
| Topside Shape | Oval |
| Panel Size | 8-5/16" x 2-1/2" |