Auxiliary topside panels give homeowners more flexibility in how they interact with the spa, and this Balboa E2 Auxiliary Spa Topside Panel is designed for compatible systems where restoring that secondary control point is the most practical improvement. When the original auxiliary panel stops responding, the spa can still run, but the layout loses some of the convenience it was built to offer. The value of a secondary control point is that it puts adjustments closer to the user, which can make routine use feel more comfortable and better thought out. That is especially true in larger spas where reaching the main topside every time can make the layout feel less natural. The 18-foot cord helps create that flexibility by supporting a longer installation path between the panel and the system it connects to. That makes it easier to place the control where it is most useful instead of only where the original cable length allows. Once installed in the correct E2 setup, this auxiliary panel helps restore a more complete spa-control layout and gives homeowners a more convenient, more user-friendly experience overall. Auxiliary topside panel for compatible E2 spa applications 18-foot cord supports more flexible control placement Helps restore convenient secondary access to spa functions Useful when the original auxiliary panel is no longer reliable Improves layout flexibility and day-to-day ease of use