⚡ Gecko IN.YE-3 Control Box 2kW (V3) – Complete Spa Control System
Professional-grade spa controller with comprehensive safety features and flexible configuration options.
📋 Product Overview
The Gecko IN.YE-3 Control Box 2kW (V3) is a compact, versatile spa control system engineered for retrofits, upgrades, and new installations. This third-generation controller represents Gecko Alliance’s commitment to reliability and innovation, featuring a boosted CPU, external memory, and higher-capacity relays for enhanced performance.
Equipped with a 2kW heat.wav heater featuring Gecko’s patented in.flo electronic dry-fire protection, this control box eliminates the need for traditional pressure switches whilst providing superior safety. The system supports configurable outputs for circulation pump, two pumps, blower, and ozone generator, making it ideal for entry-level to mid-range spa configurations.
With its watertight IPX5-rated enclosure and compatibility with the full range of Gecko IN.K series keypads, the IN.YE-3 offers exceptional flexibility. The integrated in.touch 2 connectivity enables remote operation via smartphone or tablet, bringing modern convenience to spa ownership. Installation simplicity is enhanced through the innovative in.claw cable management system and industry-standard AMP connectors.
✨ Key Features
✅ 2kW heat.wav Heater – Integrated Incoloy heater element with in.flo electronic dry-fire protection for reliable, safe heating
✅ Configurable Outputs – Supports circulation pump, Pump 1 (1 or 2-speed), Pump 2 (1-speed), blower/ozone configuration
✅ IPX5 Watertight Rating – in.seal protection ensures the enclosure and connectors resist water infiltration
✅ Wide Keypad Compatibility – Works with IN.K200, IN.K300, IN.K330, IN.K450, IN.K500, IN.K600, IN.K800, IN.K1000, and IN.K1001 keypads
✅ 12V DC Light Output – 1.3A maximum capacity with RGB in.lu.me LED colour system support
✅ in.touch 2 Ready – Connect via smartphone or tablet for remote spa control and monitoring
✅ Advanced Diagnostics – Onboard LED indicators and error code display for quick troubleshooting
✅ in.t.cip Algorithm – Intelligent water temperature refresh system that optimises heating cycles based on conditions
✅ in.claw System – Tool-free, modular cable clamp system accommodating up to eight high-voltage cables
✅ AMP & Quick Connect – Industry-standard connectors for straightforward accessory installation
✅ European CE Certification – Fully compliant with IEC and EN safety standards
⚡ Electrical Specifications
| Specification | Value |
|---|---|
| Input Voltage | 230/240V nominal (+5/-10%) |
| Frequency | 50 Hz |
| Maximum Amperage (Single-Phase) | 48A max |
| Maximum Amperage (Dual-Phase) | 20A max per phase |
| Maximum Amperage (Three-Phase) | 16A max per phase |
| Heater Output | 2kW at 230V |
| Heater Type | heat.wav with Incoloy element |
| Heater Flow Requirement | Minimum 18 GPM (68.1 LPM) |
| Light Output | 12V DC, 1.3A maximum |
| RGB LED Output | 72 in.lu.me modules max (1.3A max combined) |
⚠️ Important: Maximum current for outputs must not exceed fuse ratings. European models are fuse protected.
🔌 Output & Connection Specifications
Pump and Accessory Outputs
| Output | Voltage | Maximum Current | Typical Device |
|---|---|---|---|
| Output 2 | 230/240V | 15 FLA / 60 LRA (inrush) | Ozonator |
| Output 4 | 230/240V | 15 FLA / 60 LRA (inrush) | Pump 1 High Speed |
| Output 5 | 230/240V | 15 FLA / 60 LRA (inrush) | Pump 1 Low Speed |
| Output 6 | 230/240V | 15 FLA / 60 LRA (inrush) | Pump 3 (Optional) |
| Direct Out 1 | 230/240V | 5A | Audio/Video |
| Light Output | 12V DC | 1.3A | Light/LED |
Connection Types
| Connection | Type | Notes |
|---|---|---|
| High Voltage Accessories | AMP connectors or 0.250″ quick-connect terminals | Industry-standard compatibility |
| Keypad Connection | in.link connector | Low-voltage, watertight |
| Communication | flx.port | For connected accessories |
Sensor Inputs
| Sensor | Type | Notes |
|---|---|---|
| Temperature Sensor | Regulation probe | Integrated with heat.wav |
| Hi-Limit Sensor | Thermal protection | Built into heater assembly |
| Flow Detection | in.flo electronic | No pressure switch required |
🔗 Compatibility
Compatible Topside Panels
| Panel Model | Compatible | Notes |
|---|---|---|
| IN.K200 | ✅ Yes | LED display, 4 keys |
| IN.K300 | ✅ Yes | LCD display, 4 keys |
| IN.K330 | ✅ Yes | Colour LCD display, 5 keys |
| IN.K450 | ✅ Yes | ACL display, 7 keys |
| IN.K500 | ✅ Yes | Colour LCD display, 7 keys |
| IN.K600 | ✅ Yes | LCD display, 11 keys (static) |
| IN.K800 | ✅ Yes | Colour LCD display, 10 keys |
| IN.K1000 / IN.K1000+ | ✅ Yes | Colour LCD capacitive touchscreen |
| IN.K1001 / IN.K1001+ | ✅ Yes | Colour LCD capacitive touchscreen |
| K-19 | ✅ Yes | LED display, 4 keys (legacy/service) |
| K-35 | ✅ Yes | LED display, 6 keys (legacy/service) |
| K-8 | ✅ Yes | LCD display, 8 keys (legacy/service) |
| K-4 | ✅ Yes | LCD display, 8 keys (legacy/service) |
Connectivity Options
| Feature | Supported | Notes |
|---|---|---|
| in.touch 2 | ✅ Yes | Remote control via iOS/Android |
| in.stik | ✅ Yes | Automated software upload |
| in.temp Heat Pump | ⚠️ Optional | Requires EXT-COM RS485 extension board (sold separately) |
⚠️ Note: This is a generic unlicensed control box. Compatibility depends on your specific spa configuration. Contact Parts4Tubs for advice on whether this control box suits your system.
📐 Physical Specifications
| Specification | Value |
|---|---|
| Dimensions (W x H x D) | 498mm x 273mm x 115mm (19.60″ x 10.75″ x 4.52″) |
| Weight | 3.5kg (7.7 lb) |
| Enclosure Material | High-impact plastic |
| IP Rating | IPX5 (watertight) |
| Mounting Type | Floor or wall mount (optional brackets available) |
| Operating Temperature | 0°C to 58°C (32°F to 136°F) |
| Storage Temperature | -25°C to 85°C (-13°F to 185°F) |
| Humidity Range | Up to 85% RH, non-condensing |
| Ambient Temperature Limit | 60°C maximum around controller |
🛡️ Safety Features
| Safety Feature | Specification |
|---|---|
| Dry-Fire Protection | in.flo electronic detection (no pressure switch) |
| Watertight Protection | in.seal IPX5 rated enclosure and connectors |
| Thermal Cut-off | Integrated with heat.wav heater |
| Hi-Limit Protection | Temperature sensor triggers at 48°C (119°F) |
| Overheat Protection | System alert at 42°C (108°F) water temperature |
| RCD/GFCI Requirement | Must be connected to RCD not exceeding 30mA |
Certifications
| Certification | Status |
|---|---|
| CE Mark | ✅ Certified |
| IEC 60335-1:2010 | ✅ Compliant (with amendments A1:2013, A2:2016) |
| IEC 60335-2-60:2017 | ✅ Compliant |
| EN 60335-1:2012 | ✅ Compliant (with amendments A11-A14) |
| EN 60335-2-60:2003 | ✅ Compliant (with amendments) |
| EN 62233:2008 | ✅ Compliant |
| EN55014-1 (2017) | ✅ Compliant |
| EN55014-2 (2015) | ✅ Compliant |
💻 Programming & Features
Control Features
- Adjustable temperature set point: 15°C to 40°C (59°F to 104°F)
- Factory default temperature: 35°C (95°F), maximum 38°C (100°F)
- Filtration cycle duration: 0 to 24 hours (factory set at 2 hours)
- Filtration cycle frequency: 1 to 4 times daily (factory set at 2)
- Filtration cycle start time: 00:00 to 23:59 (factory set at 12:00)
- Pump runtime: 1 to 255 minutes (factory set at 20 minutes)
- Light timeout: 1 to 255 minutes (factory set at 120 minutes)
- Celsius or Fahrenheit display option
Smart Features
| Feature | Description |
|---|---|
| in.t.cip Algorithm | Intelligent temperature refresh that optimises pump activation and heating start times |
| Self-Diagnostics | Automatic detection and display of error codes |
| LED Indicators | Onboard diagnostic LEDs for troubleshooting |
| Firmware Updates | Wireless update capability via in.stik |
| in.lu.me Integration | Full RGB colour control from compatible keypads |
🔧 Installation Requirements
Pre-Installation Checklist
- [ ] Qualified electrician engaged
- [ ] Electrical supply meets 230/240V, 50Hz requirements
- [ ] Appropriate RCD/GFCI installed (30mA maximum)
- [ ] Correct cable gauge available
- [ ] Dedicated circuit confirmed
- [ ] Minimum 100mm (4″) clearance above potential flood level
Electrical Requirements
| Requirement | Specification |
|---|---|
| Supply Voltage | 230/240V nominal (+5/-10%) |
| Frequency | 50 Hz |
| RCD/GFCI | Maximum 30mA residual current |
| Dedicated Circuit | Required |
| Bonding | Copper conductor to bonding lugs |
Wiring Configurations (European CE Model)
| Configuration | Requirements |
|---|---|
| Single-Phase | 1 line + neutral, 48A max |
| Dual-Phase | 2 lines + neutral, 20A max per phase |
| Three-Phase | 3 lines + neutral, 16A max per phase |
| Three-Phase Delta | 3 lines, no neutral |
⚠️ Important Notes:
- Refer to manufacturer wiring diagram and installation manual
- All electrical work must comply with BS 7671 (IET Wiring Regulations)
- Spa electrical installations in the UK require Part P certification
- Only copper wire should be used, never aluminium
- Means for disconnection must be incorporated in fixed wiring
🔍 Troubleshooting & Error Codes
Common Error Codes
| Code | Meaning | Possible Cause |
|---|---|---|
| HL | High Limit | Water temperature at heater reached 48°C (119°F). Do not enter spa water |
| OH | Overheat | Water temperature reached 42°C (108°F). Do not enter spa water |
| FLO | No Flow | No water flow detected while main pump running |
| FLC | Flow Detection Error | in.flo sensor connection issue |
| Prr | Probe Error | Problem with regulation temperature probe |
| UPL | Upload Error | No low-level configuration software downloaded |
Diagnostic LED Indicators
The IN.YE-V3 features onboard diagnostic LEDs (D1-D8) that indicate system status:
- Power LED – Should always be ON when power supplied
- FLO LED – ON when flow detected, OFF otherwise
- D6 – Should always blink during normal operation
- D6, D7, D8 flashing in sync – Bootloader present, requires firmware via in.stik
General Troubleshooting Tips
⚠️ Always disconnect power before inspecting control box.
⚠️ Contact Parts4Tubs or a qualified spa technician for repairs.
For comprehensive troubleshooting, refer to the manufacturer’s Troubleshooting Guide (see Downloads section).
🎯 Ideal Applications
| Application | Suitability | Notes |
|---|---|---|
| 🏠 Home hot tub | ✅ Excellent | Ideal for domestic spa installations |
| 🏠 Garden spa | ✅ Excellent | IPX5 rating suitable for outdoor cabinet installations |
| 🏊 Swim spa | ⚠️ Check requirements | May require additional outputs; verify pump requirements |
| 🏢 Holiday let | ✅ Good | Remote monitoring via in.touch 2 beneficial |
| 🏢 Commercial | ⚠️ Check requirements | May require higher capacity system |
| 🔄 Replacement/Upgrade | ✅ Excellent | Designed for retrofits; verify existing wiring compatibility |
❓ Frequently Asked Questions
Q: Will this control box work with my spa? A: Compatibility depends on your spa’s electrical requirements and component configuration. The IN.YE-3 supports up to two pumps (or pump plus blower), ozone, and 12V lighting. Contact Parts4Tubs with your spa model details for confirmation.
Q: What topside panel does this work with? A: The IN.YE-3 is compatible with the full range of Gecko IN.K series keypads including IN.K200, IN.K300, IN.K330, IN.K450, IN.K500, IN.K600, IN.K800, IN.K1000, IN.K1001, as well as legacy K-series panels. The system automatically detects the connected keypad.
Q: Can this replace my existing control box? A: The IN.YE-3 is designed for retrofits and upgrades. It can replace older Gecko Y-series systems and many comparable control boxes. Contact Parts4Tubs with your current control box model for replacement advice.
Q: Does this include a topside panel? A: No, the control box is sold separately from topside panels. The package includes the Gecko IN.YE-3 control box with integrated 2kW heat.wav heater.
Q: Can I control my spa remotely? A: Yes, with the optional in.touch 2 system (sold separately), you can monitor and control your spa from anywhere using your iOS or Android smartphone or tablet.
Q: Is this compatible with heat pumps? A: For in.temp heat pump compatibility, an additional EXT-COM RS485 extension board is required (sold separately).
Q: What’s the difference between in.ye-3 and in.ye-5? A: The number refers to the quantity of configurable outputs. The in.ye-3 supports 3 outputs whilst the in.ye-5 supports 5 outputs for more complex spa configurations.
📥 Downloads & Resources
📄 IN.YE-V3 Technical Book (English) – Full specifications and wiring diagrams
📄 Start-Up Guide Y & XE Series – Initial configuration instructions
📄 Troubleshooting Guide Y Series & XE – Error codes and diagnostic procedures
🏆 Why Choose the Gecko IN.YE-3 Control Box 2kW (V3)
✅ Proven Reliability – Gecko Alliance’s Y-series has an established track record in the spa industry with thousands of installations worldwide
✅ Advanced Safety – in.flo electronic dry-fire protection eliminates pressure switch failures whilst providing superior heater protection
✅ Future-Ready Design – V3 architecture with boosted CPU, external memory, and wireless update capability
✅ Comprehensive Compatibility – Works with extensive range of Gecko keypads and supports in.touch 2 remote connectivity
✅ Installation Simplicity – Tool-free in.claw cable system and industry-standard AMP connectors streamline setup
✅ CE Certified – Full compliance with European IEC and EN safety standards for peace of mind
🤝 Why Buy From Parts4Tubs
✅ UK-based company with local support
✅ Fast UK delivery
✅ Expert advice from spa specialists
✅ Competitive pricing
✅ Full warranty support
✅ Easy returns within 30 days
✅ Compatible components and accessories available
✅ Technical support for installation queries
⭐ Summary
The Gecko IN.YE-3 Control Box 2kW (V3) delivers reliable spa control with a 2kW heat.wav heater, configurable outputs for pumps and accessories, and comprehensive safety features including in.flo electronic dry-fire protection. Compatible with the full range of Gecko IN.K series keypads and supporting in.touch 2 remote connectivity, this CE-certified control system operates on 230/240V at 50Hz with single, dual, or three-phase configurations. The IPX5-rated enclosure ensures protection in demanding spa environments, making it an ideal choice for retrofits, upgrades, and new installations.



