🔌 Gecko Pack IN.YJ-3 / IN.K300 / in.touch 3 – Compact WiFi-Enabled Spa Control System

Space-saving spa control bundle with 2kW heater, essential topside panel, and smartphone connectivity – perfect for smaller spas.

📋 Product Overview

The Gecko Pack IN.YJ-3 / IN.K300 / in.touch 3 delivers a complete, compact spa control solution designed specifically for smaller footprint spas, retrofits, and upgrades. This bundle combines Gecko’s space-efficient IN.YJ-3 control box with a 2kW heater, the straightforward IN.K300 topside panel, and in.touch 3 WiFi connectivity for smartphone control.

The IN.YJ-3 control box is the smallest member of the Y Series family, featuring 3 configurable outputs that support various pump and accessory combinations without compromising on functionality. The compact design allows installation in tight spaces whilst still delivering V3 generation technology including diagnostic LEDs and in.mix 300 RGB colour integration.

The IN.K300 topside panel provides an affordable yet robust interface with a bright 1.5″ LCD screen and 4 intuitive keys for essential spa control. Combined with the in.touch 3 WiFi module, users can control their spa remotely via the Gecko app on iOS and Android devices.

Operating at 230VAC/50Hz with 2″ socket heater union sleeves, this bundle is ideal for UK and European spa installations where space is limited but full functionality is required.

📦 What’s Included

Component	Description
Gecko IN.YJ-3 Control Box	V3 technology, 3 configurable outputs
heat.wav.yj Heater	2kW integrated heater
IN.K300 Topside Panel	4-key LCD display
in.touch 3 WiFi Module	Spa transmitter + home transmitter for remote control
Light Cable	Standard light connection
White LED Bulb	Spa light included
Adaptor Plate	For mounting flexibility
AMP Cable	For dual-speed pump connection

✨ Key Features

Control Box (IN.YJ-3 V3)

✅ Compact V3 Design – Smallest Y Series control box, fits tight installation spaces

✅ 3 Configurable Outputs – Supports dual-speed pump, single-speed pumps, blower, or circulation pump combinations

✅ 2kW heat.wav.yj Heater Included – Integrated Incoloy element with in.flo dry-fire protection

✅ 12V DC Light Output – For standard spa lighting with in.mix 300 RGB integration

✅ 230V Ozone Output – Dedicated ozonator connection

✅ 230V Auxiliary Output – For audio/video or additional accessories

✅ Diagnostic LEDs – Onboard PCB indicators for quick troubleshooting (V3 feature)

✅ Portrait or Landscape Mounting – Flexible installation orientation

Topside Panel (IN.K300)

✅ Bright 1.5″ LCD Screen – Clear display visible in all lighting conditions

✅ 4 Intuitive Keys – Simple, user-friendly operation

✅ IPX-5 Water Protection – Watertight for outdoor spa use

✅ Compact Design – 159mm x 75mm fits most spa installations

WiFi Connectivity (in.touch 3)

✅ Gecko App Control – iOS and Android compatible

✅ Remote Access – Control your spa from anywhere with internet connection

✅ Real-Time Notifications – Preventive maintenance alerts

✅ Voice Control Ready – Compatible with Amazon Alexa and Google Home

⚙️ Electrical Specifications

Control Box (IN.YJ-3 V3)

Specification	Value
Input Voltage	230V AC nominal
Frequency	50 Hz
Maximum Amperage (Single-Phase)	40A max
Maximum Amperage (Dual-Phase)	20A max per phase
Heater Output	2kW
Heater Type	heat.wav.yj with Incoloy element
Light Output	12V DC
Ozone Output	230V
Auxiliary Output	230V

⚠️ Note: European models are fuse protected. The IN.YJ-3 V3 is delivered pre-configured for single-phase power supply but can be configured for dual-phase operation.

🔌 Output & Connection Specifications

Configurable Outputs (3 Relays)

The IN.YJ-3 has 3 configurable relay outputs. Note that a dual-speed pump uses 2 relays.

Configuration Option	Output 1	Output 2	Output 3
Option A	Pump 1 High	Pump 1 Low	Pump 2 or Blower
Option B	Pump 1 High	Pump 1 Low	Circulation Pump
Option C	Circ Pump	Pump 1	Pump 2
Option D	Circ Pump	Pump 1	Blower

Common Pump Configurations

Configuration	Description
1 Dual-Speed + 1 Single-Speed	Most common – dual-speed main pump with single-speed jets or blower
Circulation Pump + Dual-Speed	24/7 circulation with main jet pump
Circulation Pump + 2 Single-Speed	Continuous filtration with two jet pumps
Circulation Pump + Single-Speed + Blower	Circulation with jets and air massage

⚠️ Note: When using 3 single-speed pumps (or 2 pumps + blower) with a circulation pump, the circulation pump must run continuously 24 hours per day.

Additional Outputs (Always Available)

Output	Specification	Purpose
Light Output	12V DC	Spa lighting
Ozone Output	230V	Ozonator connection
Auxiliary Output	230V	Audio/video or accessories

Connection Types

Connection	Type
Heater Union	2″ socket
Pump Connections	AMP receptacle / QC terminals
Keypad Connection	in.link connector
Communication Port	For in.touch, in.stik, auxiliary keypad

🔗 Compatibility

Topside Panel Compatibility

The IN.K300 is included in this bundle and fully compatible with the IN.YJ-3 V3 control box.

Alternative Compatible Keypads

Panel Model	Compatible	Notes
IN.K8	✅ Yes	8-key overlay panel
IN.K200	✅ Yes	LED display, 4 keys
IN.K300	✅ Yes	LCD display, 4 keys (included)
IN.K336	✅ Yes	Colour LCD, 5 keys
IN.K450	✅ Yes	LCD display, 7 keys
IN.K500	✅ Yes	Colour LCD, 7 keys
IN.K600 (simplified)	✅ Yes	LCD display, simplified interface only
IN.K800	✅ Yes	Colour LCD, 10 keys
IN.K1000 / IN.K1001	✅ Yes	Colour LCD capacitive touchscreen

Auxiliary Keypad

Panel	Compatible	Notes
IN.K120	✅ Yes	Auxiliary keypad for secondary location

in.touch 3 Compatibility

Control System	Compatible
IN.YJ V2	✅ Yes
IN.YJ V3	✅ Yes
IN.YE V2/V3	✅ Yes
IN.YT V2	✅ Yes
IN.XM / IN.XE	❌ No
V1 Systems	❌ No

📐 Physical Specifications

Control Box (IN.YJ-3 V3)

Specification	Value
Dimensions (W x H x D)	308mm x 186mm x 96mm
Enclosure Material	High-impact plastic
IP Rating	IPX5 (watertight)
Heater Connection	2″ socket union sleeves
Mounting Options	Portrait or landscape orientation
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

Topside Panel (IN.K300)

Specification	Value
Dimensions (W x H x D)	57mm x 160mm x 47mm
Dimensions (from distributor)	159mm x 75mm (L x H)
LCD Screen Size	1.5″ diagonal
Keys	4
Weight	313g (0.69 lb)
IP Rating	IPX-5
Operating Temperature	-20°C to 65°C (-4°F to 149°F)
Storage Temperature	-30°C to 85°C (-22°F to 185°F)
Humidity	Up to 70% condensing
Connection	in.link connector

in.touch 3 Module

Specification	Value
Components	Spa transmitter + Home transmitter
Connection	Ethernet (cable included)
Power	Wall mount adaptor included
Router Port	Port 10022 (usually open by default)

Pack Maximum Dimensions

Specification	Value
Max Length	190mm
Max Height	170mm
Max Depth	100mm

🛡️ Safety Features

Safety Feature	Specification
Dry-Fire Protection	in.flo electronic detection (no pressure switch)
Watertight Protection	in.seal IPX5 rated enclosure and connectors
Temperature Algorithm	in.t.cip intelligent heating optimisation
RCD Requirement	Must be connected to RCD not exceeding 30mA
Thermal Protection	Integrated with heat.wav heater

Certifications

Certification	Status
CE Mark	✅ Certified
IEC 60335-1	✅ Compliant
IEC 60335-2-60	✅ Compliant
EN 60335-1	✅ Compliant
EN 60335-2-60	✅ Compliant

📱 in.touch 3 WiFi Features

Gecko App Control

The in.touch 3 connects to the Gecko Smart Spa Control app, enabling:

• Temperature Control – Adjust water temperature set point remotely
• Pump Control – Turn pumps on/off, adjust speed settings
• Light Control – Control spa lighting
• Filtration Cycles – Adjust filtration schedules
• Status Monitoring – Real-time spa status updates
• Maintenance Alerts – Preventive maintenance notifications

How It Works

1. Spa Transmitter – Connects to control box via CO port
2. Home Transmitter – Plugs into home router via Ethernet
3. RF Communication – Reliable radio frequency link between transmitters
4. Cloud Connection – Connects to Gecko servers for remote access
5. App Control – Control via iOS or Android Gecko app

Voice Control

The in.touch 3 is compatible with:

• Amazon Alexa – Voice commands for basic spa functions
• Google Home – Voice control integration

💻 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)
• Configurable filtration cycles
• Pump runtime programming
• Light timeout settings
• Celsius or Fahrenheit display option

Smart Features

Feature	Description
in.t.cip Algorithm	Intelligent water temperature refresh
Smart Winter Mode	Freeze protection – pumps activate periodically
Self-Diagnostics	Automatic error detection and display
Diagnostic LEDs	Onboard LEDs for troubleshooting (V3 feature)
in.mix 300 Integration	RGB colour control on main board
Menu Configuration	Easy setup via preset options

🔧 Installation Requirements

⚠️ Incorrect installation can result in electric shock, fire, or equipment damage.

Pre-Installation Checklist

• [ ] Installation planned according to BS 7671
• [ ] Electrical supply meets 230V AC, 50Hz requirements
• [ ] Appropriate RCD installed (30mA maximum)
• [ ] Control box positioned minimum 100mm (4″) above potential flood level
• [ ] Router available with Ethernet port for in.touch 3 setup
• [ ] Port 10022 open on router (usually default)

Electrical Requirements

Requirement	Specification
Supply Voltage	230V AC nominal
Frequency	50 Hz
RCD	Maximum 30mA residual current
Single-Phase	Up to 40A max
Dual-Phase	Up to 20A max per phase
Bonding	Copper conductor to bonding lugs

Mounting Options

The IN.YJ-3 can be mounted in two orientations:

• Landscape – Standard horizontal mounting
• Portrait – Vertical mounting for narrow spaces

⚠️ 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

in.touch 3 Installation

1. Install spa transmitter at least 300mm (12″) from any metal parts
2. Connect spa transmitter to control box CO port
3. Connect home transmitter to router via included Ethernet cable
4. Power on home transmitter using included wall adaptor
5. Download Gecko app and follow pairing instructions

🔍 Troubleshooting & Error Codes

Common Error Codes

Code	Meaning	Possible Cause
HL	High Limit	Water temperature at heater exceeded safe limit
OH	Overheat	Water temperature too high
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

Diagnostic LEDs (V3 Feature)

The IN.YJ-3 V3 includes onboard diagnostic LEDs for quick troubleshooting without removing covers.

⚠️ Always disconnect power before inspecting control box.

🎯 Ideal Applications

Application	Suitability	Notes
🏠 Small footprint hot tub	✅ Excellent	Designed specifically for compact spas
🏠 2-3 person spa	✅ Excellent	Ideal pump configuration options
🏢 Holiday let (small spa)	✅ Excellent	Remote monitoring via WiFi
🔄 Budget retrofit	✅ Excellent	Affordable complete solution
🔄 Space-limited installation	✅ Excellent	Compact design, portrait mounting option
🏊 Large swim spa	❌ Not suitable	Insufficient outputs – use IN.YE or IN.YT

❓ Frequently Asked Questions

Q: Does this include everything I need for a complete spa control system? A: Yes, this bundle includes the control box with 2kW heater, IN.K300 topside panel with adaptor plate, in.touch 3 WiFi module, light cable with LED bulb, and AMP cable for dual-speed pump. You will need to supply pumps and other spa components.

Q: What pumps can this control? A: The IN.YJ-3 has 3 configurable outputs. Most commonly: 1 dual-speed pump + 1 single-speed pump/blower, OR circulation pump + 1 dual-speed pump, OR circulation pump + 2 single-speed pumps.

Q: Is the 2kW heater powerful enough for my spa? A: A 2kW heater is suitable for smaller spas (2-3 person) with good insulation. For larger spas or faster heat-up times, consider the IN.YE-5 bundle with 3kW heater.

Q: Can the control box be mounted vertically? A: Yes, the IN.YJ-3 can be mounted in portrait (vertical) or landscape (horizontal) orientation, making it ideal for tight installation spaces.

Q: Do I need a special router for the in.touch 3? A: No, any standard router with a 100 Mbps Ethernet port will work. Port 10022 must be open (usually the default setting).

Q: Can I upgrade to a different topside panel later? A: Yes, the IN.YJ-3 is compatible with various Gecko keypads including IN.K450, IN.K500, IN.K800, and IN.K1000 series.

Q: Do I need special installation for this? A: All spa control system installations must comply with BS 7671 (IET Wiring Regulations) and Part P regulations in the UK.

Q: What’s the difference between this and the IN.YE-5 bundle? A: The IN.YJ-3 has 3 outputs (suitable for 1-2 pumps), 2kW heater, and is more compact. The IN.YE-5 has 5 outputs (suitable for up to 4 pumps), 3kW heater, and is larger.

📥 Downloads & Resources

📄 IN.YJ-3 Technical Book – Full specifications and wiring diagrams

📄 Start-Up Guide Y & XE Series – Initial configuration instructions

📄 Troubleshooting Guide Y Series & XE – Error codes and diagnostic procedures

📄 in.touch 3 TechBook – WiFi module setup and troubleshooting

🏆 Why Choose the Gecko Pack IN.YJ-3 / IN.K300 / in.touch 3

✅ Compact Complete Solution – Control box, heater, topside, WiFi module, and cables included

✅ Space-Saving Design – Smallest Y Series pack with portrait mounting option

✅ V3 Technology – Diagnostic LEDs and in.mix 300 RGB integration

✅ WiFi Connectivity Included – Remote control via Gecko app from day one

✅ Voice Control Ready – Compatible with Amazon Alexa and Google Home

✅ Flexible Configuration – 3 outputs support various small spa setups

✅ Light Kit Included – LED bulb and cable ready to install

✅ CE Certified – Full compliance with European 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 and WiFi setup queries

⭐ Summary

The Gecko Pack IN.YJ-3 / IN.K300 / in.touch 3 provides a compact, WiFi-enabled spa control solution ideal for smaller spas and space-limited installations. The IN.YJ-3 V3 control box features 3 configurable outputs, 2kW heat.wav.yj heater, diagnostic LEDs, and in.mix 300 RGB integration in the smallest Y Series footprint. The IN.K300 topside delivers essential control with a bright 1.5″ LCD display and 4 keys, whilst the in.touch 3 WiFi module enables smartphone control via the Gecko app with Amazon Alexa and Google Home compatibility. Operating at 230V AC/50Hz with 2″ plumbing connections, this bundle includes LED light kit, adaptor plate, and AMP cable for straightforward installation. Perfect for 2-3 person spas, retrofits, and applications where compact design is essential.