Description
Meet the Gecko IN.XE Control System 1.0/4.0kW Flow-Through Heater (model 0602-221063-299) — a focused replacement solution that upgrades your spa’s control hardware with modern connectivity and flexible circuit management. This package includes the replacement control box with 4.0 kW heater, designed to streamline installation while expanding how you power and automate spa components.
Key features that matter in real-world spa setups
- Wi‑Fi Compatible for future smart-control capabilities and remote access (note: setup guidance is available in Gecko Tech Tips).
- Simple circuit activation — activate a circuit by removing the colored key enclosures from your field unit, swapping the blanks on the new control box with the key enclosures, and reconnecting the existing cables. It’s a straightforward, tool-free changeover.
- Three-appliance architecture supports a practical balance of functions without overloading the control box, making it ideal for mid- to large-sized spa installations.
- Versatile power and components — designed for 115V or 230V operation, with a 4.0 kW fixed bottom heater and 2" tailpieces on a 15" length for reliable flow-through heating.
What’s inside and how it helps your spa setup
supports 1 or 2 speeds, 115V or 230V, up to 20A. provides 1-speed operation, 115V or 230V, up to 20A. - Two Low Current AC relay-controlled circuits (for blower or ozonator), 115V or 230V, up to 5A each.
- One Low Current AC direct power circuit for audio/visual accessories, 115V, up to 5A.
- 4.0 kW flow-through heater with 2" tailpieces x 15" length for efficient heating and reliable water circulation.
- Auxiliary topside ready capability to integrate with additional topside controls when needed.
- Warranty and documentation — includes an installation and instruction manual and a two-year manufacturer’s limited return and repair warranty for peace of mind.
Technical snapshot to guide compatibility and installation decisions
of the control box: approximately 11.75" (H) x 19.625" (W) x 5" (D). supports 3 appliances within the IN.XE-5 framework. options: 115V or 230V (4-wire configuration). fixed bottom, 4.0 kW, with standard 2" tailpieces and 15" length. configuration in this package is listed as not included; the product is designed to be compatible with Gecko’s topside ecosystem and can be paired with auxiliary topside controllers as needed. oriented toward Wi‑Fi readiness, enabling future enhancements per Gecko tech resources.
Ideal use scenarios and practical guidance
- Upgrading a spa that already uses a multi-circuit layout but needs modern Wi‑Fi compatibility and a reliable flow-through heater. The IN.XE 1.0/4.0kW box provides a clean, organized replacement path that preserves existing cable routing.
- Customizing circuit roles without removing essential components — use the key-enclosure method to tailor which circuits control pumps, blowers, ozonators, or AV accessories, all within a single control box.
- Installing in environments where 115V or 230V configurations are required, with a straightforward wiring approach that preserves existing electrical infrastructure.
Why this Gecko IN.XE replacement brings tangible value
- Distinctive modular activation for targeted upgrades without a full control-system overhaul.
- Wi‑Fi compatibility positions your spa for future smart-control features while maintaining proven reliability of the IN.XE architecture.
- Clear, compact footprint with a dedicated 4.0 kW heater for steady, efficient heating in flow-through systems.
If you’re replacing an aging control box or upgrading to a more flexible, Wi‑Fi-friendly platform, this Gecko IN.XE 1.0/4.0kW Flow-Through Heater package delivers purpose-built functionality, straightforward installation, and a path toward enhanced spa automation. Because it’s designed to work with your existing field-unit cables and key-enclosure activation, you can upgrade with confidence and minimal downtime.
| Height | Width | Depth |
| 11-3/4" | 19-5/8" | 5" |
| Number Of Appliances | 3 |
| Manufacturer | Gecko |
| Model | in.xe-5 |
| Supply Voltage | 115v, 230v - 4 Wire |
| Heater Type | Fixed - Bottom |
| Heater Wattage | 1.0kW, 4.0kW |
| Topside Included | None |
| Circ Pump Ready | Optional 115v, Optional 115v/230v |
| Auxiliary Topside Ready | Yes |
| Fiber Optic | No |
| Accessory Ready | Yes |
| Wi-Fi Compatible | Yes |
| 50/60 HZ | 60Hz |



