🎛️ Gecko IN.YE-3 Control Box 3kW (V3) – Advanced Spa Control System

Powerful control system engineered for precision spa management with enhanced heating capacity.

🎛️ Product Overview

The Gecko IN.YE-3 Control Box 3kW (V3) is an advanced, compact spa control system featuring a powerful 3kW heat.wav heater for faster water heating and superior temperature maintenance. This third-generation controller delivers enhanced performance through its upgraded CPU, external memory, and higher-capacity relays, making it ideal for demanding spa environments.

Designed to manage configurations with up to three pumps plus circulation pump, this versatile control box supports ozone systems and 12V DC lighting with RGB colour control via the integrated in.mix 300 system. The patented in.flo electronic dry-fire protection eliminates traditional pressure switch issues whilst providing superior heater safety.

Compatible with the complete range of Gecko IN.K series keypads and WiFi-ready with the optional in.touch 2 module, the IN.YE-3 brings modern connectivity to spa control. The IPX5-rated watertight enclosure ensures reliable operation in challenging spa environments, whilst the innovative in.claw cable management system and diagnostic LEDs simplify installation and troubleshooting. With 2-inch plumbing connections and industry-standard AMP connectors, this control box is perfect for retrofits, upgrades, and new installations requiring robust heating performance.

🌟 Key Features

✅ 3kW heat.wav Heater – Powerful Incoloy heating element with in.flo electronic dry-fire protection for rapid, safe water heating

✅ Flexible Pump Configuration – Supports Pump 1 (dual or single-speed), Pump 2 (single-speed), Pump 3 (single-speed), plus circulation pump

✅ IPX5 Watertight Enclosure – in.seal protection ensures robust resistance to water infiltration

✅ Complete Keypad Compatibility – Works with all Gecko IN.K series panels including IN.K200, IN.K300, IN.K330, IN.K450, IN.K500, IN.K600, IN.K800, IN.K1000, and IN.K1001

✅ 12V DC Light Output – 1.3A maximum with in.mix 300 RGB colour system integration for full colour control from keypad

✅ WiFi Ready – Supports in.touch 2 module for remote control via iOS and Android devices

✅ Diagnostic LEDs – Onboard LED indicators on PCB for rapid troubleshooting

✅ in.t.cip Algorithm – Intelligent water temperature algorithm optimises heating cycles based on ambient conditions

✅ in.claw System – Tool-free modular cable clamp system for up to eight high-voltage cables

✅ AMP & Quick Connect – Industry-standard connectors for straightforward accessory installation

✅ European CE Certification – Full compliance 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	3kW at 230V
Heater Current Draw	Approximately 10.9A
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 / Circulation Pump
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

Pump Configuration Options

Configuration	Pump 1	Pump 2	Pump 3	Circ Pump	Ozone
With Circ Pump	Dual or Single-Speed	Single-Speed	—	✅ Yes	✅ Yes
Without Circ Pump	Dual-Speed	Single-Speed	Single-Speed	—	✅ Yes

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
Plumbing	2-inch unions	Included with heater

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 (module required)
in.stik	✅ Yes	Automated software upload
in.temp Heat Pump	⚠️ Optional	Requires EXT-COM RS485 extension board (CB-GRS48, 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 (L x D x H)	475mm x 103mm x 273mm
Dimensions (W x H x D)	498mm x 273mm x 115mm (including connections)
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
Plumbing Connection	2-inch (unions and gaskets included)

🔒 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
• Pre-recorded configurations selectable via keypad

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
Diagnostic LEDs	New onboard LED indicators for rapid troubleshooting
Firmware Updates	Wireless update capability via in.stik
in.lu.me Integration	in.mix 300 colour system on main board for full RGB control from keypad
Freeze Protection	Automatic pump activation to prevent freeze damage

🛠️ 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
Hr	Hardware Error	Internal hardware error detected in spa pack

Diagnostic LED Indicators

The IN.YE-V3 features new onboard diagnostic LEDs (D1-D8) for quicker troubleshooting:

• 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	3kW heater provides faster heat-up times
🏠 Garden spa	✅ Excellent	IPX5 rating suitable for outdoor cabinet installations
🏊 Swim spa	⚠️ Check requirements	May require additional outputs; verify pump requirements
🏢 Holiday let	✅ Excellent	Faster heating between guests; remote monitoring via in.touch 2
🏢 Commercial	⚠️ Check requirements	May require higher capacity system for heavy use
🔄 Replacement/Upgrade	✅ Excellent	Direct replacement for older Y-series systems

💬 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 three pumps plus circulation pump, ozone, and 12V lighting. Contact Parts4Tubs with your spa model details for confirmation.

Q: Do I need a qualified electrician to install this? A: Yes. All spa control box installations must be performed by a qualified electrician in compliance with BS 7671 and Part P regulations. This ensures safety and maintains warranty validity.

Q: What topside panel does this work with? A: The IN.YE-3 is compatible with all 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: What’s the difference between the 2kW and 3kW versions? A: The 3kW version provides faster water heating (approximately 50% more heating power) and is better suited to larger spas or colder climates. The 3kW heater draws approximately 10.9A compared to 8-8.5A for the 2kW version.

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 3kW heat.wav heater. Sold individually.

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, the Gecko RS485 Communication Extension Board (CB-GRS48) is required (sold separately).

Q: What configuration options are available? A: Configuration is done via the keypad by selecting one of the pre-recorded configurations. Options include various pump combinations with or without circulation pump. Refer to the Quick Start Card for your specific software version.

📥 Downloads & Resources

Techbook

Start Up Guide

Troubleshooting Guide

Flyer

⭐ Why Choose the Gecko IN.YE-3 Control Box 3kW (V3)

✅ Enhanced Heating Power – 3kW heater provides approximately 50% faster heat-up times compared to 2kW models

✅ Proven Reliability – Gecko Alliance’s Y-series has an established track record with thousands of installations worldwide

✅ Advanced Safety – in.flo electronic dry-fire protection eliminates pressure switch failures whilst providing superior heater protection

✅ V3 Architecture – Boosted CPU, external memory, diagnostic LEDs, and wireless update capability

✅ Flexible Configuration – Support for circulation pump plus up to 3 additional pumps to suit various spa layouts

✅ CE Certified – Full compliance with European IEC and EN safety standards

🤝 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 3kW (V3) delivers powerful spa control with a 3kW heat.wav heater for faster water heating, configurable outputs for up to three pumps plus circulation pump, and comprehensive safety features including in.flo electronic dry-fire protection. Compatible with all Gecko IN.K series keypads and WiFi-ready with in.touch 2, this CE-certified control system operates on 230/240V at 50Hz with single, dual, or three-phase configurations. New diagnostic LEDs and the IPX5-rated enclosure ensure reliable operation and simplified troubleshooting, making it an excellent choice for spas requiring enhanced heating performance.