🔌 Gecko IN.YE-3 Control Box 3kW (V2) – Reliable Spa Control System

Versatile control solution designed for efficient spa system management and universal compatibility.

⚡ Product Overview

The Gecko IN.YE-3 Control Box 3kW (V2) is a proven, compact spa control system featuring an integrated 3kW heat.wav heater for reliable water temperature management. This second-generation Y Series controller delivers the dependable performance that has made Gecko Alliance a trusted name in spa control technology.

Designed with universal fit in mind, this control box manages configurations with up to three pumps plus circulation pump, supporting ozone systems and 12V AC lighting. The patented in.flo electronic dry-fire protection eliminates traditional pressure switch maintenance whilst providing superior heater safety without the burden of adjustments or calibrations.

Compatible with the complete range of Gecko IN.K series keypads and WiFi-ready with the optional in.touch module, the IN.YE-3 V2 offers proven connectivity for spa control. The IPX5-rated in.seal watertight enclosure ensures dependable operation in demanding spa environments, whilst industry-standard AMP connectors and 2-inch plumbing connections simplify installation. This control box is particularly well-suited as a direct replacement for Earth Spas and similar OEM installations requiring reliable, time-tested technology.

⭐ Key Features

✅ 3kW heat.wav Heater – Integrated Incoloy heating element with in.flo electronic dry-fire protection for safe, reliable 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 provides robust resistance to water infiltration

✅ Complete Keypad Compatibility – Works with IN.K200, IN.K300, IN.K450, IN.K500, IN.K600, IN.K800, IN.K1000, and legacy K-series panels

✅ 12V AC Light Output – 1A maximum capacity for standard spa lighting

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

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

✅ in.stik Compatible – Automated software upload via pen drive with in.link connector

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

✅ Proven Reliability – Time-tested Y Series platform with established track record

✅ 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 Type	heat.wav with Incoloy element
Heater Flow Requirement	Minimum 18 GPM (68.1 LPM)
Light Output	12V AC, 1A maximum

⚠️ Important: Maximum current for outputs must not exceed fuse ratings. European models are fuse protected.

🔌 Output & Connection Specifications

Pump and Accessory Outputs (European CE Model)

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
Direct Out 1	230/240V	5A	Audio/Video
Light Output	12V AC	1A	Spa Light

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

⚠️ Note: If Pump 2 is used, Pump 1 Low speed cannot be used on the same output. If Pump 3 is used, Pump 2 Low speed cannot be used.

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
Communication	RS-485 link	Optional
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.K450	✅ Yes	LCD 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	✅ Yes	Colour LCD capacitive touchscreen
K-19	✅ Yes	LED display, 4 keys
K-35	✅ Yes	LED display, 6 keys
K-8	✅ Yes	LCD display, 8 keys
K-4	✅ Yes	LCD display, 8 keys

Connectivity Options

Feature	Supported	Notes
in.touch	✅ Yes	Remote control via iOS (module required)
in.stik	✅ Yes	Automated software upload
RS-485	✅ Optional	Communication link available

OEM Compatibility

OEM Brand	Compatible	Notes
Earth Spas	✅ Yes	Direct replacement

⚠️ 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 W x H)	475mm x 103mm x 273mm
Dimensions (W x H x D)	497mm x 273mm x 126mm
Weight	Up to 4.4kg (9.7 lb)
Enclosure Material	High-impact plastic
IP Rating	IPX5 (watertight)
Mounting Type	Floor or wall mount (optional brackets and guide plate 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

🔒 Safety Features

Safety Feature	Specification
Dry-Fire Protection	in.flo electronic detection (no pressure switch)
Watertight Protection	in.seal IPX5 rated enclosure
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
IEC 60335-2-60:2002	✅ Compliant (with amendments A1:2004, A2:2008)
EN 60335-1:2012	✅ Compliant
EN 60335-2-60:2003	✅ Compliant (with amendments A1, A2, A11, A12)
EN 62233:2008	✅ Compliant
EN55014-1	✅ Compliant
EN55014-2	✅ Compliant
EN61000-3-2	✅ Compliant
EN61000-3-3	✅ 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
in.stik Upload	Automated software configuration via pen drive
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
Wire Type	Copper only (never aluminium)

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

Mounting Options

Option	Part Number	Notes
Guide Plate	9917-102148	For floor installation
Wall Mount Brackets	9920-101474	Kit of 100 with screws

⚠️ 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
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

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	Proven reliability for domestic 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	Reliable operation; remote monitoring via in.touch
🏢 Commercial	⚠️ Check requirements	May require higher capacity system
🔄 Replacement/Upgrade	✅ Excellent	Direct replacement for Earth Spas and Y-series systems

ℹ️ 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 V2 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’s the difference between V2 and V3? A: The V3 features an upgraded CPU, diagnostic LEDs on the PCB, 12V DC light output with in.mix 300 RGB colour system integration, and enhanced connectivity features. The V2 is the proven, time-tested platform with 12V AC lighting.

Q: What topside panel does this work with? A: The IN.YE-3 V2 is compatible with Gecko IN.K series keypads including IN.K200, IN.K300, IN.K450, IN.K500, IN.K600, IN.K800, IN.K1000, as well as legacy K-series panels. The system automatically detects the connected keypad.

Q: Can this replace my existing Earth Spas control box? A: Yes, the IN.YE-3 V2 is listed as compatible with Earth Spas. 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 system (sold separately), you can monitor and control your spa using your iOS device.

Q: Is the light output AC or DC? A: The V2 model features a 12V AC light output with 1A maximum capacity. This differs from the V3 which has 12V DC output.

📥 Downloads & Resources

• Flyer
• Troubleshooting_Guide
• Techbook
• Start_Up_Guide_

🏆 Why Choose the Gecko IN.YE-3 Control Box 3kW (V2)

✅ Proven Track Record – Time-tested Y Series platform with established reliability across thousands of installations

✅ Universal Fit Design – Supports all spa configurations with flexible pump and accessory options

✅ Advanced Safety – in.flo electronic dry-fire protection eliminates pressure switch maintenance and failures

✅ OEM Compatibility – Direct replacement for Earth Spas and similar installations

✅ Comprehensive Keypad Support – Works with full range of Gecko IN.K series and legacy keypads

✅ 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 (V2) delivers proven spa control with a 3kW heat.wav heater, configurable outputs for up to three pumps plus circulation pump, and comprehensive safety features including in.flo electronic dry-fire protection. Compatible with Gecko IN.K series keypads and WiFi-ready with in.touch, this CE-certified control system operates on 230/240V at 50Hz with single, dual, or three-phase configurations. The IPX5-rated enclosure and time-tested Y Series platform ensure reliable operation, making it an excellent choice for replacements, particularly for Earth Spas installations.