Island Spas Gecko Spa Pack — in.ye-5
Genuine OEM replacement Gecko in.ye-5 spa pack for Island Spas models built with three pumps from the 2025 generation onward. The spa pack is the heart of the control system — heater, circuit board and control logic in one factory assembly. This is the pack generation that pairs with the Gecko heat.wav heater era of Island Spas.
Specifications
- Part type: Spa pack (complete control system)
- Control system: Gecko in.ye-5
- Pump support: Three pumps
- Application: Island Spas, 2025 generation and newer
- OEM reference: 33-2110-40
✅ Not Sure It Fits? Verify Before Ordering
Island Spas parts vary by model, model year, trim and generation. Spas built during the 2025/2026 changeover may be current-generation or “Classic” carryover, so the model year alone does not settle it — match your spa pack label.
To help us identify the correct replacement, please send clear photos of:
- Your existing part, including any label
- Your spa serial number sticker
- Your spa pack / control system label
EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.
Island Spas models built with three pumps from the 2025 generation onward. The label on your existing spa pack is definitive — use the verification form on this page if you are not sure.
2025-generation Island Spas pair a Gecko spa pack with the Gecko heat.wav heater and a Gecko topside control. Earlier Island Spas are Balboa-based. Spas assembled during the 2025/2026 changeover can be either — check the spa pack label.
33-2110-40 is the factory reference for this Gecko in.ye-5 spa pack in current Island Spas parts documentation. It replaces the pack fitted on the production line.
Looking for more parts or help identifying the right replacement? Browse the Island Spas Parts & Owner Resource Page.





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