Gecko Heat Recovery Control [120v] [IN.YJ2 W/Topside] [GFCI/HI-Limit] (0612-221034-315) is a replacement topside control panel designed for spa-side operation of compatible equipment functions. It is intended for repairs where the existing keypad, display, cord length, button layout, or overlay style needs to be replaced due to wear, moisture intrusion, display failure, or non-responsive buttons. Part number 0612-221034-315 should be matched to the original panel and control system before ordering. Notable specifications from the item name include 120v, IN.YJ2 W/Topside, GFCI/HI-Limit, which helps confirm fit and configuration before ordering.This Gecko Alliance panel helps return convenient user control to the spa without replacing the entire pack when the rest of the system is still serviceable. Review the plug style, number of buttons, display type, cord length, and whether the overlay is included, because similar-looking topsides can use different communication protocols or connectors.For the best result, compare photos, wiring, and printed identifiers from the original panel. Proper sealing at the mounting surface is also important to reduce the chance of future moisture-related failures. Replacement spa-side user control panel Confirm button layout, plug style, display type, and cord length Helps restore pump, light, temperature, or auxiliary control functions Useful when the existing keypad is worn or unresponsive Install with attention to sealing and control-system compatibility